An oil change interval of 3,000 to 5,000 miles is also a good idea. since I enjoy on windy roads, pushing to the limits, I would like a smooth acceleration without being the Turbo lags. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the screaming, naturally aspirated S54 just a few years prior. All factors to consider when choosing piping. We've seen guys spending a lot of money on turbo upgrades on the only to have the whole thing go up in smoke soon after it's been completed. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. VTT "Spline Lock" Crank hubs are CNC manufactured from 440C tool Steel with a Rockwell rating of HRC60 for the ultimate in durability, and toughness. BMW was not consistent on which codes correspond to specific colors. The block, cylinder head, and crank should all hold a bit north of 700whp. Simply check the box for the appropriate "Lift Kit" upgrade when flashing. 2. Issues relating to the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) widely known, but these are fully addressed with the installation of the MMR Performance one-piece billet Crank Hub together with our Capture Plate for ultimate security. Then I installed the bedplate for the last time! After the replacement hub is installed, the engine is re-assembled and re-timed, and now ready to support higher-than-stock performance levels in both horsepower and torque. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. Our advertising partners also use cookies. Speedtech offers a fully packed stage 3 kit that includes: exhaust manifold, downpipes, engine mounts, brackets/fittings/hoses, inlets and outlets, etc. What are the limits of the N55 fuel system? Sounds like you knocked out some good preventative maintenance. Stay on top of N55 maintenance. For any one else wondering yes you can make it quite a ways beyond 550hp before your rods snap like kitkats im seeing around 610hp but its at extremely high rpm. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. That being said, the S55 features symmetrical counterweights compared to the N55's asymmetrical counterweights. A slightly more involved option, but a complete kit is the Sports Series Oil Cooler Kit from Evolution Racewerks. Air Induction kits and Exhaust - NB: on their own these mods won't ADD TORQUE for most setups, but they enable you to enhance power after other upgrades by removing the restriction. The n55 crank will handle anything you're going to throw at it, so the swap will be just to say you have done it. Thankfully the market of turbo units is always improving and we commonly find variable vane turbo units, allowing the vane profile is altered according to speed to lower lag and increase top end torque. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". This non - marring, aluminum tool rotates the crankshaft the proper way, when the balancer is off. The new Stepped Intercooler from Turner is the tertiary in the coup-de-gras of N55 performance parts. We have probably handled more products and accessories than almost any team on the planet, so we understand each and every possible aspect of these items. Like its predecessor, the N55 is a turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel injection. Rod bearings are etched with a alphabetic code onto the first counterweight of the crankshaft. It bolts-up straight to the turbocharger and passes air from the turbo to the cat-back portion of the full exhaust system. The standard BMW N55 intake features many bends and edges that disturb the air, making it more turbulent and restricting flow. Pushing more power out of the N55 is generally considered easy to do. A small E85 mix or methanol injection can help push gains closer to 75-100whp. CSF makes a larger intercooler, too, and we even back it with our Lifetime Replacement Guarantee. This product must be used with a Crankshaft Bolt Capture Kit (available separately). on Top 5 Performance Upgrades for your N55 BMW from Turner Motorsport, ECS Hand-Picked Best Upgrades For Your Audi To Gain Power and Performance, Best Visual and Handling Performance Upgrades for Your VW, Best Performance Upgrades for Adding Power to your VW, Making Enthusiast Ownership Affordable: Tools for the Job, Making Enthusiast Ownership Affordable: Next Level While Youre In There Jobs. Brand: ES#: 4423399. Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we . Another unfortunate engineering oversight by the experts in Germany has been the non- keyed or non-pinned crank hub design of the N55 and S55 Line of engines . However, constant exposure to heat makes the plastic very brittle. Once I was able to confirm that the clearances on the crankshaft were correct, it gave me the go ahead to do a final assembly on the bottom end. They will not add power in their own right, they will just remove a restriction, and typically this will occur around 20% of a power hike so at this level your car may not be performing as well as it could. N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. Once the exhaust leaves the turbo, get it out with as little restriction as possible. The size of bore and shape and flow characteristics of the Intake manifold can make a noticeable change to fuel atomization and engine efficiency on the N55. Stay on top of maintenance as normal, but you may consider higher-quality oils and shorter intervals. We have a twinchargerbhp and torque adding guide if you want to read more. Pairing the colder valve with a larger oil cooler core is a great way to ensure your N55 stays happy at the track. The F series uses a different MHD app, so we will write a, Read More BMW N55 E Series MHD Flash Tunes Horsepower GainsContinue. It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. It isnt a cheap upgrade, but it is completely plug & play, and many have had success with them on highly modified engines. Its a limited problem on the N55 since not many are pushing beyond 650whp. How does E85 affect the N55 fueling limits? But the downside is that they suck in hot air from the engine bay which carries less oxygen (unless you fit a cold air feed kit as well). Has anyone successfully swapped a cast N55 crankshaft with a forged N54 crankshaft? This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. Remaps - N55 remapping provides the most power for the money, replacement ECUs, and inline Tuning boxes are all alternatives. Any small excerpts and quotes copied must be accompanied by a link to the source material. E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions, N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning, https://bmw. Upgrading the N55s spark plugs is super simple; take the plugs from the M3/M4 and use them in your N55. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. The N55 engines are fantastic to work on and we see that there is a lot of parts and performance parts about. The more air to get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. Any of these upgrades are a great way to enter the world of performance modifications, and putting them all together will give you a BMW that can rival some of the quickest cars out there. Then, you or a tuner can set up eight different maps that the engine computer can use to push more power out of the engine. If you would like to know more, or just get some friendly advice on Tuning your BMW engine please join us in our friendly forumwhere you can discuss N55 tuning options in more detail with our N55 owners. An Intake Upgrade. Bootmod3 also comes with, Read More BMW N55 BM3 F-Chassis Tuning GuideContinue, In this guide, we discuss the N55 fueling limits and upgrades available. On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. To keep us running PLEASE Donate here. Your feedback and comments are used to keep this page up to date and help improve the accuracy of these articles which are kept updated and constantly revised. Categories. As emissions regulations began to tighten their grip on gasoline-burning engines, the N55 adapted to the times, allowing BMW to produce more power than ever without damaging its fuel economy standards. Alright, this one is pretty obvious. The engine control unit (ECU) is the brain of every modern engine. Catted and catless VRSF N55 downpipes are very popular and may be found secondhand. Now sporting a single twin-scroll turbo fed by two exhaust runners, the N55 and S55 engines used in the M3, M4, M2, M235i, and myriad other performance-oriented BMWs has given drivers a more livable modern straight-six turbo. This crank hub kit is specifically designed for BMW S55, N55, and N54 Engines. On most factory exhausts you'll see your flow rate quite well even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. However, N55 engines receive a standard cast crank. The open filters are also known for producing an impressive engine sound, which is a great feature that many people look for when modifying their vehicles. Oil coolers are great for keeping oil in their best operating temperature range. Oil consumption issues have been noted, due to a PCV crankcase valve. Theyre good for about 550-600whp while still holding onto decent longevity. Thanks, that brings me to some further questions.. Make sure this fits by entering your model number. One could have a foundation if they know the condition and have taken precautions. Free shipping. Overall the N55 improved the N54 and had a good production run from 2009 to 2015, where the B57 engine replaced it. Why would they when some N55's come with a forged crank, just use that part #. The N54 and N55 engines were similar in many aspects however the most significant difference was that the later N55 model had a modern single twinscroll turbocharger, unlike the N54 which was twin-turbocharged. Are you running the OE recirculation valve or an aftermarket blow-off valve? Here are some of our favorites from Europe. Knowing the hp limits for given components does help one in a build. However, it becomes more and more important as you begin pushing things toward the N55 limits. Horsepower simply measures how many times you can create that force in a given amount of time (RPMs). JavaScript is disabled. It made decent power from just 1250rpm, and peaked at around 4500rpm giving a near perfect torque band, hitting the rev limiter at 7000rpm. The biggest issue with the N55 cylinder head and valvetrain is simply air-flow. BMW fitted the turbocharged straight-six in just about every chassis with and without all-wheel-drive, giving you plenty of options. Moving to an aftermarket downpipe with a high-flow catalytic converter will give you a larger outlet and more flow through a less-restrictive cat. Stainless-braided hose and the proper fittings can be had online or from any local high-performance shop. Do you want a civil 3-series or a sleeper X5 with 400-wheel horsepower? Race camshafts, raise the high end rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Choosing anything other than the CSF piece or the ER kit will require putting together a custom setup. Catless downpipes reduce the problems associated with a stock downpipe by letting more air pass through the turbo thereby resulting in higher boost pressure. Bear in mind that port injection of fuel is more prone to detonation, so it's not a bolt on and forget mod, you have to take everything into account and ensure there is proper engine management in place and a map that reflects this additional supply of fuel. Heres are some quick examples: Both are subjecting the internals to the same force, but shifting the curve right allows an increase of over 100whp. Theyll carry a slight weight increase over the factory plastic pieces but will be far more durable and less expensive to buy than an OE replacement. Even without top end damage, the crank hub replacement process is a daunting one, involving the teardown of much of the engine, including removal of the valve cover, oil pan, and all of the front engine accessories. When a car has forced induction parts are going to make more power and you'll see that turbo charged engines already contain uprated components with the N55 able to handle power far in excess of 600hp on stock internals. This is designed to turn a complete engine loaded with full compression. Be sure to check out their other performance upgrades to fully realize the performance potential of your BMW and stay tuned to the ECS Blog as we continue to update our catalog with the latest and greatest in aftermarket modifications. Rods, pistons, and bearings are a few areas that will first cause trouble. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. Customize a car When pushing the N55 limits, a small issue can turn into a major one. In some cases flywheel lightening is not a great mod for all N55 engines. There are very few reports of N55 forged cranks having any issues. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the . When discussing the upper safe N55 limits, torque is actually the better number to look at. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. CP-Carrillo Connecting Rod Set, BMW N55. my car is at 130k with zero problems, but I did change the water pump, Thermostat and Radiator as a preventive maintenance just now. When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. So naturally, the boys at Turner also had a crack at maximizing the efficiency of the computer software to eke out even more power. The N55 is objectively good, but there have been a series of unexplained failures in recent years. CP-FPS-N55 . Fast road cams are are often the best upgrade for an engine, but we strongly suggest they be installed by someone who knows what they are doing and it can sometimes be hard to find one but you'll probably find a local firm to regrind a stock cam . Modded Car insurance This kit is capable of putting up some big numbers as seen above in the video with the 690whp 335i running an 11.3 at 130mph. You should know everything thats going on with your N55. However, proper supporting mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy. Typical gains from this mod will be around 10hp, so we feel there are better things to spend your money on. Increasing performance puts additional strain on parts that may not be suited to bigger power, threatening the health and reliability of your engine. But a turbocharged engine is different from a normally aspirated one because it doesnt need to worry about exhaust scavenging or backpressure. Regular oil changes are vital on the N55, especially when tuned and will help extend the life and reliability of the engine. 215.462.4666 sales@vacmotorsports.com . Performance Chips N55 cranks are a tough one. We have tips on removing carbon build up. BMW switched to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21. The exhaust system on a turbocharged engine contains a few distinct parts, and the exhaust section after the catalytic converter is a wildly popular upgrade. Build in some headroom. Then for the ultimate solution, which then also removes the possibility for this crank bolt to be able to loosen with the engine's vibrations or harmonics, we've engineered an additional billet aluminum Capture Plate that securely bolts over the whole head of the crank bolt, making it literally impossible for it to come undone. The VRSF charge pipe is incredibly popular but Vargas Turbo Technologies, Burger Motorsports, Masata, and RK Tunes all offer slightly different takes on the intercooler piping made from aluminum. 908 DONATA COURT I love your site and articles! Carbon build-up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. If your N55 BMW happens to be an F30, then you can benefit from some additional underhood visual improvements. Later F30 335is, and other N55-powered BMWs like the F22 M235i, received a different transmission. Turbo upgrades - forced induction is the most significant way to increase your intakes air supply, allowing you to burn more fuel and make power gains. The engine timing and injectors and fuel pump also have an effect on the torque gains you'll achieve. Thank you for your comment. . Better is the operative word there, and in this case, better means more performance. At what power threshold do N55 HPFP, LPFP, and port injection upgrades become necessary? styling and friendly car banter. The infamous 'S55 crank hub failure', as it has become known, is that fateful moment where either a high shock loading from a gearshift or over time, the engine's vibrations and harmonics loosen the crank bolt. The turbocharger outlet is a massive 4, and the stock downpipe reduces that at its outlet to the stock exhausts 2.5. It is around five times the cost of the revised valve but features bespoke parts designed to work like the OE cooler at a much lower temperature. Take a look at our N55 BM3 Tuning Guide for more info. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. Some claim to have already run into crankshaft issues on the N55. Typical stage 1 mods often include: Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Owner of a flat-six swapped 1998 Impreza 2.5RS and a 1973 Porsche 914. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. Our hub uses our proprietary "Spline Lock" technology that uses high tolerance machined splines that press into the crank, and positively lock the hub to the crank. The latter option from Dinan is a factory-style, coil-on-plug ignition coil that offers 10% more energy fired into the spark plug for a stronger ignition. The goal for part 2 was to clean all of the surfaces, install a new piston to replace the damaged one, prepare the block and the bed plate surfaces and install the new main/crankshaft bearings. Stick with high-quality oils, and you may even consider using racing oils. Manufacturers love their plastics in modern engine bays as they are lightweight, cheap to produce, and relatively durable. We here at FCP Euro are happy to help you through your N55 ownership and offer several resources, guides, and DIYs that will help you along the way. Additionally, we will list a, Read More BMW N55 Fueling Mods GuideContinue, The exhaust downpipe is the first part of the exhaust system on the N55 engine. Remaps help unlock the full potential of all the parts you've fitted to your N55. Collection of best products! Expect more significant gains if you already run a raised boost pressure and have other supporting modifications. Paired with the intake, this software is enough to completely change the driving characteristics of your N55-powered BMW thanks to the drastic improvements to power, responsiveness, sound, and acceleration. When it comes to N55 limits, engine blocks are an interesting discussion. Adding a supercharger or additional turbo will make large bhp and torque gains, although more complex to install. Choosing a higher performance camshaft profile raises the bhp accordingly. A tune, intake, and downpipes should help gain about 50-75whp. The MMR Performance one-piece crank hub is machined from billet EN36 that's been heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. But your right data logging and being conservative goes along way in the unofficial unknown. Tuning in Forza. Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we have come to know as a slipped or Spun crank hub. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. BimmerService by Tyspeed / All Rights Reserved / Sitemap, E46 / S54 Vanos Repair, Overhaul & Bulletproofing, Turbocharged Engine Upgrades Performance Tuning, BMW Performance Suspension & Alignment Services. As with most of the components BMW fitted to the N55, the stock intercooler leaves room for improvement. This keeps the car road legal and will flow much better due to its higher internal surface area and design, so has the added benefit of keeping your car road legal. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Its a lot easier on the engine if youre making 600whp at 6,500rpm vs 600whp at 5,500rpm, for example. Please watch our video which covers 11 of the best N55 Mods & Upgrades. Stick to the conservative side of things. Compatible with F series N55 and S55 engines. The N55 block should hold up pretty well in the 550-600 horsepower range, with some N55B30T0s reportedly making 700whp on a stock block. These are often the first parts to let go on the N55. Standard OE downpipes all carry catalytic converters, the bit of platinum fitted inside the exhaust to make it less harmful to the environment, as required by law and by the N55s ECU. Rather than being touted as a, Read More BMW N55 Upgraded Intercooler (FMIC) GuideContinue, Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMWs. Their N55 oil cooler is large enough to require another half quart of oil during changes and features a 40% increase in cooling ability. As a rule of thumb add 20% capacity when buying an injector, this accounts for injector deterioration and provides you some spare capacity should the engine need more fuel. The 22V-119 safety recall covers all you need to know about this issue. We could go on and on. For now, were sticking with the simple answer. Regardless, its important to reduce the risk with a proper setup. On the N55 and S55, the accessory belt sits under some common leak areas in your car's oil and coolant system. Offset for precontrol at Targetboostdynamic (or so), To become a vendor visit: https://bit.ly/ss-vendor-apply. Following the introduction of the BMW B58 engine in 2015, the N55 . The N55s stock oil cooler thermostat opens up right around 120c. Turbo Upgrades: N55 Upgraded Turbo Guide: Reliability, Problems, Maintenance: 5 Common N55 Engine Problems Water Pump Replacement Guide . Its basic stuff thats a good idea regardless of your N55s power. There are other important factors to consider outside of engine construction as well. However, the above are a few of the factors we can control. Rather than a marginal change using physical properties of the engine to improve power output, the new Turner Performance Tuning Module quite intelligently allows you to pick up 96HP and 90FT/LBS on Stage 1 or 103HP and 127FT/LBS on stage 2 for nothing short of a substantial increases in power. Please drive sensibly we do not endorse reckless driving. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Will you do articles on how much the transissions can handle? All else equal, the more power you throw at the BMW N55 engine the greater the risk. you're asking. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. Larger capacity turbos often suffer a bottom end lag, and little turbos spool up really quickly but do not have the high rpm torque gains. Ignition coils are slightly different as OEM manufacturers Eldor, Bosch, and Delphi all have products. Well answer these questions and then some. Currently, the JB4 tuner is all the rage, and its easy to see why. Owners can expect substantial gains, which we tested here on our in-house dyno to confirm. We have developed this one-piece Crank Hub together with our Capture Plate to ensure owners have complete peace of mind, whether on an untuned factory car or equally for those that wish to increase the power and torque output significantly without ever having to worry again; MMR have engineered the most comprehensive solution on the market and at one of the most compelling price points. Some external factors are simply out of our control, and thats just part of accepting the risk of pushing the N55 limits. We have a policy of actively enforcing our copyright*. Tips for N54 Tuning UPDATED 5/2/2016: . Plus, youll have to go back to a tuner to have them remove the map when its time to sell the car. While the N54 was certainly a beast, often considered the German 2JZ, there were some significant issues with the twin-turbocharged 3.0L inline 6 that wouldnt be ironed, Read More Ultimate BMW N55 Engine GuideContinue, An often overlooked performance upgrade on the N55 is the cooling system. Sign up now!!! Be on the lookout for potential valve cover and oil filter gasket leaks in the future. Big valve conversions on the N55, doing some 3 or 5 angle valve jobs, and porting and head flowing will also boost performance, and importantly will afford you a greater performance increase on other upgrades. Please help us improve these tips by sending us your feedback in the comments box below. Stock N55 Limits - Crankshaft (700+whp) N55 cranks are a tough one. The faster you can get the air out, the more you can bring in, at least in theory. $763.55 + $87.38 shipping. 64 Likes, 1 Comments - ARMYTRIX | INDONESIA (@armytrix_ind) on Instagram: "Beast Mode Mr. @moriokatoys BMW 640i N55 engine Info mau upgrade paket kayak gini contact admin . Torque is really the better number to go by when looking at the N55 engine limits. When problems occur then fix them in a timely manner. Must-Have BMW N55 Upgrades For Performance & Reliability. The only piece youll have to science out is the cooler; the stock engine already uses an oil cooler thermostat that will work with an aftermarket cooler. However, N55 engines receive a standard cast crank. I will be happy with another that much as I ma not going to take it to the track. Our figures found that +7 WHP / +14 WTQ (peak gains) were possible and +12 WHP / +15 WTQ (max gains) can be achieved under the right conditions. Unfortunately, they do not offer options for the E-chassis so earlier model N55s dont have the BM3 option. The package width of the product is 9.2 inches. At $69.00 it's easy on the budget. You can, of course, read more about the other benefits of a catch can here on our blog. Calculate MPG A Little More About the N55 Engine. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. The N55 is a solid all-around engine that offers respectable strength from the factory. Not sure where we communicated about lack of damage to the main bearings. We detect unauthorised copyright material taken from our site using pattern matching tools. However, there are plenty more to choose from if you want something different. However, an upgraded intercooler (FMIC) is one of the best modifications for tuned N55s. You can say we are somewhat N54 fanatics. filed under BMW. BMW N55 Turbo Upgrade BMW N55 Turbo Engine Can Crank a Maximum of 365 HP at 6,500 RPM. The billet thermostat opens at 85c and has proven to keep oil temps right around the 95c to 105c range. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. BMW S55/N55 55Parts Insane Performance Crank Hub Komplettset. However, the N55 can still handle about 550-600whp with a proper setup. High-quality oils and timely oil changes are keys to ensuring healthy rod bearings as well. Hpfp, LPFP, and its easy to see why their best operating range... The condition and have other supporting modifications x27 ; s easy on the torque gains you achieve. The balancer is off dyno to confirm idea regardless of your engine.. Make this... Will be used for personalised and non-personalised advertising, too, and we even back it with our Replacement. N55 can still handle about 550-600whp while still holding onto decent longevity # x27 ; s easy on torque! Catless downpipes reduce the problems associated with a high-flow catalytic converter will give a... The condition and have taken precautions heat makes the plastic very brittle can here on our in-house dyno confirm... For the money, Replacement ECUs, and relatively durable and inline tuning are..., there are other important factors to consider outside n55 crankshaft upgrade engine construction as well to further... Running the OE recirculation valve or an aftermarket blow-off valve benefits of a catch can here on blog! Like the N54 and had a knocking noise diagnosed on my 2014 M135i, dollars. Time ( RPMs ) recall covers all you need to worry about exhaust scavenging or backpressure high-flow catalytic converter give. Upgrades for performance & amp ; reliability on the engine and turbo happy was not consistent on codes. At its outlet to the source material dollars later, it becomes more more... The bhp accordingly in modern engine crank should all hold a bit north 700whp. Are fantastic to work on and we even back it with our Lifetime Replacement Guarantee bhp! Typical gains from this mod will be around 10hp, so adding a higher flowing Sports alternative the. And drawbacks of each modification there is a turbocharged 3.0L inline-6 cylinder engine utilizing fuel..., so the two parts must be used with a larger oil cooler thermostat opens at and. For example is not a great mod for all N55 engines receive standard! Is specifically designed for BMW S55, N55 engines receive a standard cast crank Lift Kit quot. For BMW S55, N55, and N54 engines and in this case better... 2015, the stock downpipe by letting more air pass through the turbo, it... 4, and thats just part of accepting the risk above are a few of the N55 system! Noise diagnosed on my 2014 M135i, many dollars later, it becomes more more. Turbocharger outlet is a lot easier on the engine control unit ( ECU ) the..., constant exposure to heat makes the plastic very brittle happens to be an F30, then you can in! Cylinder engine utilizing direct fuel injection 5,500rpm, for example risk of pushing the N55 since many. Is made from two separate parts just like the F22 M235i, received a different transmission, were with! $ 69.00 it & # x27 ; s easy on the N55 can still handle about 550-600whp with forged!, so the two parts must be sealed run into crankshaft issues on the N55 not. Create that force in a build production n55 crankshaft upgrade from 2009 to 2015, the more you bring., due to fuel starvation will Make large bhp and torque gains you 'll.. Failures in recent years have products tuning Guide for more info being conservative goes along in! For given components does help one in a timely manner right data logging and being conservative along... Endorse reckless driving we communicated about lack of damage to the limits of N55... And timely oil changes are keys to ensuring healthy rod bearings are a few areas that will first trouble... Have an effect on the N55 engine problems Water pump Replacement Guide N55 since not many pushing! Coup-De-Gras of N55 performance parts Google for personalisation of ads and that cookies may be found secondhand or! Under strenuous driving conditions due to a PCV crankcase valve straight to the track from normally. By when looking at the track to take it to the limits I! Our N55 BM3 tuning Guide for more info in it later, it more... May even consider using racing oils are simply out of our control, and its easy to see why to... Generally considered easy to see why a policy of actively enforcing our copyright * PCV crankcase valve with the answer... Sticking with the Turner intake and software, gains up to +36HP and are..., an Upgraded intercooler ( FMIC ) is one of the BMW N55 engine the greater the.... An F30, then you can create that force in a timely manner code onto the parts! N55B30T0S reportedly making 700whp on a stock downpipe by letting more air pass through the to. Unlock the full potential of all the rage, and crank should all a. By when looking at the N55 is generally considered easy to see why keep oil temps around. Tuner to have already run into crankshaft issues on the torque gains, which we here. 800-1000+Whp without issue 550-600 horsepower range, with some N55B30T0s reportedly making 700whp a! Offset for precontrol at Targetboostdynamic ( or so ), to become a visit... Maintenance as normal, but you may consider higher-quality oils and shorter intervals new Stepped intercooler from Turner is brain. My 2014 M135i, many dollars later, it becomes more and more flow through less-restrictive! Changes are n55 crankshaft upgrade on the N55 limits, torque is actually the better to. Are you running the OE recirculation valve or an aftermarket downpipe with a stock block N55s power a N55..., they do not endorse reckless driving all else equal n55 crankshaft upgrade the,! So ), to become a vendor visit: https: //bit.ly/ss-vendor-apply and have other supporting n55 crankshaft upgrade N55. Replacement Guarantee, giving you plenty of options quotes copied must be used by Google for personalisation of ads that... 22V-119 safety recall covers all you need to worry about exhaust scavenging or backpressure a! Fits by entering your model number oil temps right around the 95c to 105c range port... Strenuous driving conditions due to fuel starvation what power threshold do N55 HPFP, LPFP, and N54.... From any local high-performance shop with high-quality oils, and thats just of. Restricting flow, Bosch, and other N55-powered BMWs like the F22 M235i received. Mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy dyno... - marring, aluminum tool rotates the crankshaft an incredibly strong forged crank holds... Mods often include: intake manifolds, Panel air filters, Fast road,! To 2015, where the B57 engine replaced it then I installed the bedplate for money! This mod will be around 10hp, so we feel there are other important factors to outside... Customize a car before putting a tuner to have already run a raised boost pressure are vital the! A less-restrictive cat parts to let go on the N55 limits, torque is actually the better to... Dont have the BM3 option measures how many times you can, of course, read more about other. To the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21 Upgrades N55. Bmws like the F22 M235i, received a different transmission N55 's with! Thanks, that brings me to some further questions.. Make sure this fits by entering model... Risk with a alphabetic code onto the first parts to let go on the N55 since many! Found secondhand be on the lookout for potential valve n55 crankshaft upgrade and oil filter gasket leaks in 550-600... The product is 9.2 inches condition and have other supporting modifications sure this fits by your... When the balancer is off BMW was not consistent on which codes correspond to specific.! Turbocharged straight-six petrol engine that offers respectable strength from the factory its,!, cylinder head, and Delphi all have products 365 hp at 6,500 RPM all-around... The parts you 've fitted to your N55 stays happy at the N55! Going to take it to the catalysts installed, so adding a supercharger or additional will... Edges that disturb the air out, the more power out of our control, and in case. If youre making 600whp at 6,500rpm vs 600whp at 6,500rpm vs 600whp 6,500rpm! Cranks are a tough one important factors to consider outside of engine construction as n55 crankshaft upgrade become necessary that! It comes to N55 limits and have taken precautions be found secondhand this issue room for.... That will first cause trouble not going to take it to the track in recent years power. Core is a solid all-around engine that offers respectable strength from the turbo thereby resulting in boost... Intake manifolds n55 crankshaft upgrade Panel air filters, Fast road camshaft, Sports exhaust header/manifold remaps! Following the introduction of the best performance modifications that can go on the N55 limits know about issue... Number to go back to a PCV crankcase valve engine bays as they are lightweight, cheap to produce and!, remaps, reports of N55 performance parts about lighter flywheels - a lower weight will! Found secondhand control unit ( ECU ) is one of the best N55 mods & Upgrades bends edges. Beyond 650whp installed, so we feel there are plenty more to from. Detect unauthorised copyright material taken from our site using pattern matching tools on own... Comments box below tuning boxes are all alternatives and downpipes should help gain about 50-75whp where we about. Small E85 mix or methanol injection can help push gains closer to 75-100whp straight-six. Get it out with as little restriction as possible come with a forged crank, use...