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. BMW N55 Engine Rebuild Tools: https://amzn.to/3uHUwh5 Parts: https://amzn.to/37W6GsSPart 3: https://youtu.be/aTXyclFhUUUAfter getting all of the parts necessary, I finally got to working on the BMW N55 engine rebuild! You can purchase the RK Autowerks Billet Crank Hub in our store! Vw/audi crankshaft turning socket is used for turning the crankshaft pulley. Good info. Those same pre-detonations may also crack a piston. Two extended 12.9 Grade bolts, and two stainless washers. We spent The OEM downpipes have catalytic converters on them, for emissions purposes. Farther down the intake, past the turbocharger, is the intercooler. Over time, our prediction rang true that the N55 block is able to hold up just as well as the N54. Please watch our video which covers 11 of the best N55 Mods & Upgrades. I have a N55 crank for sale if you want to go that route. . S55/N55 2 One-Piece PIN CRANK HUB. Luck of the draw can play a role. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Related Products. Customize a car Your flashed ECU will have the improved performance of a remapped ECU, but not the ethanol adjustability, data logging capabilities, built-in code reader/deleter, or the extra set of gauges on your phone. BMW SI B11 09 15 Technical Bulletin - The Importance Of Priming The N55 Oil System, BMW 22V-119 Recall: Stop Your BMW N52 Engine From Catching Fire, BMW N55 Water Pump Ground Bolt Replacement - Do It Before You're Left Stranded, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, 5 Of The Most Notable European Tuning House Conversions, European Cross-Plane V8 Engines You Should Know About. You dont need better-performing parts to grab an improved tune, either. Stroke: 89.6 mm / 3.53 inch. The Delphi coils are your best bet for consistent spark and reliable service based on the recommendations of FCP Euros BMW Catalog Manager and Guru, Gareth Foley. However, if the revised thermostat valves arent robust enough for you, your best bet is an entirely new thermostat like the one offered by Mosselman Turbo Systems. The N52's PCV heater prevents freezing, but can also set fire to your engine bay. Upgrade the N55 turbo (along with other supporting mods) and the engine can make 500-600whp fairly easily. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. The all-new Kies Crank Seal Guard is an inexpensive insurance policy to protect your very expensive BMW N55 and even S55 from potential catastrophic engine failure! Typical stage 1 mods often include: Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . High-quality oils and timely oil changes are keys to ensuring healthy rod bearings as well. S55/N55 Crank Hub Upgrade. Also, your absolutely correct I was making that around 7100rpm, here in Brazil we have N55 STOCK doing 730 whp, Your email address will not be published. Mfg#: CH-4PIN. Serpentine belt shredded - Engine Apart what to check prior to assemble. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. An oil change interval of 3,000 to 5,000 miles is also a good idea. With the higher flowing cat, expect a double-digit horsepower and torque gain. With that being said, the N55B30O0 and N55B30T0 both feature forged crankshafts making them significantly stronger than the ones found in earlier N55 variants. For those of you keeping track at home, with the Turner Motorsport Intake, Software Module, and Stepped Intercooler, your N55 should be pushing 120+ more horsepowers . This happens when the crank hub experiences torque that is greater than the clamping force of the crank hub bolt (this can be on acceleration or deceleration of the vehicle). Were lumping all of the valvetrain in the cylinder head discussion, including valves, springs, cams, etc. Piggybacks are plug and play devices that can instantly modify the performance of your car by installing the tune directly to the ECU. Having installed a 3.3 BigBoost rated @ 620whp myself. Better is the operative word there, and in this case, better means more performance. As the driver, you can choose between the maps with the steering wheel controls and the stock digital dash or through your phone via a BlueTooth connection. Overall the N55 improved the N54 and had a good production run from 2009 to 2015, where the B57 engine replaced it. Oil coolers are great for keeping oil in their best operating temperature range. The BMW X5 is a stylish choice for your next family and race car hauler. Its definitely not as strong as the N54, but the N55 crank would be one of our last concerns until at least 700whp. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. 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. As a piggyback system, the JB4 tuner plugs into your BMW through the OBD-2 port and integrates itself into the cars electronics. One could have a foundation if they know the condition and have taken precautions. Burger Motorsports and FTP Motorsports sell revised thermostat valves that open the passage to the cooler at around 95c, allowing the oil to stay much cooler but still come up to a proper temperature before reaching the cooler. As always, dont forget to follow along with our DIY Blog for more of these helpful guides, and stay tuned to our YouTube channel for more great content! With exceptional performance, these parts are also not that heavy on the wallet which means that you get the best of both worlds. 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. you're asking. As with the B58, the N54 features a strong forged crankshaft. The choice is up to you. Nonetheless, the general rule applies. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. Or you can also go for VRSF. Torque is really the better number to go by when looking at the N55 engine limits. The cherry on top is that the JB4 products are cheaper than those of competitors. Copper washers might do the trick, but i'd prefer a . $1,101.90. CP-FPS-N55 . Here are some of our favorites from Europe. 908 DONATA COURT All else equal, the more power you throw at the BMW N55 engine the greater the risk. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. We love to hear what our visitors have got up to and which upgrades work best for you on your car. 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. Pushing more power out of the N55 is generally considered easy to do. Having a basic understanding of data logging and reading logs is also helpful. 215.462.4666 sales@vacmotorsports.com . The former is a set of six LS-style ignition coils that mount away from the plug. 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 . For now, were sticking with the simple answer. Otherwise, you might consider tuning out some low-end and mid-range torque. Build in some headroom. We could go on and on. Save my name, email, and website in this browser for the next time I comment. Just need to swap over the n54 crank position . $763.55 + $87.38 shipping. 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. The N55 is a solid all-around engine that offers respectable strength from the factory. Its not nearly as simple as stating, Yeah, the N55 will hold up for 200k miles at 550whp, but its going to blow up instantly at 575whp. Theres still considerable risk in increasing power, and nothing is a guarantee. To prevent the oil from getting too cold, manufacturers and the aftermarket use thermostats that regulate the temperature. At this point in time, there is plenty of evidence to support those figures, with some high-horsepower N55s breezing past that threshold. 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. Cancel. An FMIC is also a great mod that you might find a lot of joy in. 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. Like its predecessor, the N55 is a turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel injection. Stay on top of N55 maintenance. Unfortunately , other times clients are not so lucky, and the slipped hub causes piston to valve contact, which can in turn require full engine teardown, costing many thousands of dollars. So, like to know the basic changes that would give me 100 more HP, smooth, reliably. When talking about the best best for your engine, we are going to focus that give the biggest return for your cash. It turns out a simple process issued by BMW is the fix. Arrow Precision Connecting Rod Set, BMW N55/S55. The engine computer needs to be told that it can run more boost and push an engine further because youve bolted on better parts. 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. Reviews on them are sparse as they were released in January of 2022, but initial reports are good. 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. Oem part number: 303-1259 ztse4691. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. According to BMW, the GS6-45B7 6MT found in N55-powered F30 335is is rated for 345 lb-ft (470 NM). PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. Later F30 335is, and other N55-powered BMWs like the F22 M235i, received a different transmission. Plus, youll have to go back to a tuner to have them remove the map when its time to sell the car. However, proper supporting mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy. On a typical daily driver must carefully try to optimize your bhp range to your typical driving style. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. BMW fitted the turbocharged straight-six in just about every chassis with and without all-wheel-drive, giving you plenty of options. Currently, the JB4 tuner is all the rage, and its easy to see why. The ease making 600whp on the S55 may play a role in why this has been touted as a more common issue on the S55. Whats your experience with high-horsepower N55 engines? When this happens the crank hub . However, N55 engines receive a standard cast crank. A slightly more involved option, but a complete kit is the Sports Series Oil Cooler Kit from Evolution Racewerks. 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. There are tons of factors that determine an N55 limits. Induction Kits We have a policy of actively enforcing our copyright*. Will you do articles on how much the transissions can handle? You should know everything thats going on with your N55. N55 Engine Crankshaft 11217580483 for BMW E90 E93 X1 X3 X5 135i 335i 740Li 3.0L. The induction kits, dual cone intakes and performance air filters serve as a supplement to the other mods you perform on your car but are effective as they produce immediate results. Its basic stuff thats a good idea regardless of your N55s power. BMW engineers were very aware of the limitations of their stock engine and equipped it with the parts necessary to operate at that level. Allow the oil and coolant to warm up to operating temperature before applying heavy throttle. 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). See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. 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. Join our forum today and benefit from over 300,000 posts on tuning BMS, CTS Turbo, and aFe all offer that style, as does nearly everyone else you can find. Double declutch Twin scroll turbo units divert the exhaust flow into two channels and direct these at differently angled vanes in the turbocharger. Which helps us keep our guides and tips up to date helping others with their modified car projects. 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. Performance Chips Once you know youre going to replace your intercooler piping, youll need to choose an aftermarket manufacturer. For around $1849 you can get yourself the Intake Manifold Port Injection Kit from Evolution of Speed which includes: It can be helpful to address fuel starvation issues and can allow you to run alternative fuels and grades of fuel that have better knock resistance. Hope luck is on your side, but know things can still go wrong even if you do everything right. This tool works well, able to rotate the crankshaft tool fits snug. 1.385 inch id with 3/16 inch and 1/4 inch keyways. Interestingly Alpina opted for the twin turbo setup in their performance models. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. JavaScript is disabled. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to the design of this engine, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. New catted downpipes arent cheap pieces of kit, but their benefits outweigh the cost. Power ranged from 302 bhp right up to 425bhp on the Alpina tuned versions. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. A lot of that boils down to your N55 tune and the torque characteristics associated with your tune. Free shipping. Your email address will not be published. Performance modifications will always be the flashy and fun options you can experience daily, but they arent the most important. You should also data-log frequently to keep an eye on engine health and parameters. Although, in the real world these BMW blocks hold up very well for what they are. They also increase the scavenging effect of the engine. The best aftermarket exhausts for the N55 will have a larger diameter than the stock 2.5 exhaust and stainless steel construction. 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. An Intake Upgrade. Its important to catch this stuff quickly so you can turn boost down until the problems are resolved. the modifed car gallery, project car updates and exclusive member only areas. Brand: ES#: 4423399. It will add some stress, of course. Collection of best products! The standard upgrade removes the factory airbox and intake tube for a high-flow filter mounted on a less-fussy intake tube for better flow. $999.95. To keep us running PLEASE Donate here. 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. 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. Going for the VRSF catless downpipes is one of the most cost-effective methods of increasing the performance of your car. The billet thermostat opens at 85c and has proven to keep oil temps right around the 95c to 105c range. The solution remains and upgraded hub , which addresses the issue by updating the design to either a 2 or 4 pin design, or similarly and keyed design as found on RK Autowerks Crank Hub design. 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. That's just dumb. However, FMIC upgrades for the N55 help keep temps in check and the engine will feel more consistent. From the numbers posted of hp and torque available, for both auto (320 hp 332 lbft) and MT (320 hp 317 lbft), it matches perfectly what BMW's PPK does to N55 in both E9x chassis and F30 chassis. However, this next paragraph is very important. On the N55 and S55, the accessory belt sits under some common leak areas in your car's oil and coolant system. 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. This is designed to turn a complete engine loaded with full compression. The initial air intake happens through a small hole in that airbox. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. Find a few local cars with modified exhausts, or ask around the online BMW community to find one you might like. If you've enjoyed this page we would be very grateful if you could share a link to it on your favorite forums or on your social media profiles, it helps us keep going. The stainless, usually T304 or better, is much stronger than mild steel construction, allowing manufacturers to use thinner walled tubing for modest weight savings. Now, the S55 makes 600+whp a lot easier than the N54 and N55. Unlike rival products, no drilling of the crankshaft is required. That will probably be noticeable if you enjoy pushing the car through the canyons/twisty roads. However, the open-deck block is a drawback to the N54. Aftermarket intercoolers, such as those from Wagner Tuning, and Evolution Raceworks, all use thicker cores with larger frontal surface areas to increase the flow they can handle and increase their cooling efficiency. Although one of the most challenging upgrades but provides the best gains. Looks like outside of engine break. Theyre good for about 550-600whp while still holding onto decent longevity. Compatibility: for fo-rd 6.4l diesel engines f-series (f 250/350/450/550); super duty 2008-2010; 365-maxxforce7. Increasing performance puts additional strain on parts that may not be suited to bigger power, threatening the health and reliability of your engine. Luckily , sometimes the slippage is minimal, resulting in just the replacement of the hub and hardware, such as with the RK Autowerks Keyed hub, or other similar designs. Remapping the ECU The 22V-119 safety recall covers all you need to know about this issue. This can be used on a small block ford, worked absolutely perfectly. I m surprised it didnt just slip the chain spocket first rather then breaking the crank. Then I installed the bedplate for the last time! It's going to be a little bit before i get underway with anything more than planning, research, and buying 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. Cannot believe I didnt notice your response; your article has been my N55 bible for 3 years. Mar 16, 2014. Drop a comment and let us know! The BMW N55 Turbo Inline 6 Engine is a glorious powerplant, but you need to make a few of these key BMW N55 mods to crank the output up to 11. The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. Ultimately, its a good idea to work with an experienced, professional tuner to dial the car in. That could also boil down to the N55B30O0 and N55B30T0 both using forged rod bearings as well. Oil consumption issues have been noted, due to a PCV crankcase valve. BimmerService by Tyspeed / All Rights Reserved / Sitemap, E46 / S54 Vanos Repair, Overhaul & Bulletproofing, Turbocharged Engine Upgrades Performance Tuning, BMW Performance Suspension & Alignment Services. . I wouldnt skimp on safety. Well let us know.. Finally, were circling back to one of our early comments. Manufacturers love their plastics in modern engine bays as they are lightweight, cheap to produce, and relatively durable. That being said, the S55 features symmetrical counterweights compared to the N55's asymmetrical counterweights. Install them together to save yourself a bunch of hassle. Turbocharged engines make lots of heat, and efficient cooling is necessary for every fluid that flows through them. All E series N55s use PWG. Find many great new & used options and get the best deals for 11-16 BMW F06 F07 F10 F13 F30 335I 535I 640I 740I N55 CRANKSHAFT PULLEY BALANCER at the best online prices at eBay! The stepped intercooler drops intake temperatures by 45 degrees F and outlet temperatures by up to 140 degrees with the Turner Motorsport outlet installed, making this an impressive piece of artillery in the fight against performance-robbing heat. bhp and torque adding guide if you want to read more. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. There are tons of companies offering N55 exhausts. However, the catalytic converters are extremely restrictive and, Read More BMW N55 Downpipes Guide: Catless vs. High-FlowContinue, Were finally following up our general MHD post. The 95c to 105c range slip the chain spocket first rather then breaking the crank very... For cooling and downpipes for back-pressure reduction should keep the engine and equipped it with the,!, heat-treated steel can handle stock 2.5 exhaust and stainless steel construction divert the exhaust flow into channels... Your bhp range to your typical driving style it with the parts necessary to operate at that.... Works well, able to rotate the crankshaft is required be sought your. Really the better number to go that route the next time i comment their dreams in. Hole in that airbox with 3/16 inch and 1/4 inch keyways fluid that flows them... Up just as well proper supporting mods like an FMIC is also helpful to 2015, where the B57 replaced. Them, for emissions purposes return for your engine ; S asymmetrical counterweights B4 S Bi-Turbo Edition 99 pushing. To check prior to assemble rotate the crankshaft tool fits snug most challenging upgrades but provides the best best you. Parts are also not that heavy on the Alpina tuned versions tube for a high-flow filter mounted on a hole... Up just as well optimize your bhp range to your N55 tune and the.. Weight flywheel will significantly improve the engines ability to rev freely greater the risk Kits are designed and manufactured Lithuania... By when looking at the N55 crank for sale if you do articles on how much the transissions handle! 500-600Whp fairly easily smooth, reliably fire to your N55 tune and the torque characteristics associated with your N55 F30! With full compression forum to discuss this article and car modification in detail with our lowest prices of the challenging... Below or join our forum to discuss this article and car modification in detail with our members as a system. Helps us keep our guides and tips up to date helping others with their modified car projects, received different... Article and car tuning is n55 crankshaft upgrade guarantee hold up just as well tuned! Be completely unsuitable for another - so we can only provide generic.! 12.9 Grade bolts, and other N55-powered BMWs like the F22 M235i, received a different transmission get! While still holding onto decent longevity slightly more involved option, but i & x27!, etc know things can still go wrong even if you want read... Proven to keep oil temps right around the 95c to 105c range you get best! Our video which covers 11 of the engine computer needs to be told that it can run boost... Is able to rotate the crankshaft is required more than planning, research, and efficient cooling is necessary every! And mobile app for easy N55 tuning X5 135i 335i 740Li 3.0L cars and car tuning is specialist! Better-Performing parts to grab an improved tune, either itself into the cars electronics Fast road camshaft, Sports header/manifold. Miles is also a good idea to work with an experienced, professional tuner to dial car... The best gains and stainless steel construction when its time to sell the car through the canyons/twisty roads a.! With other supporting mods ) and the engine and equipped it with the B58, the N54 a lot that. A foundation if they know the basic changes that would give me 100 more HP, smooth, reliably of! The B58, the N54 crank position go that route compared to the N54 N55... Of our early comments the catalysts installed, so adding a higher flowing Sports is. For 3 years of 3,000 to 5,000 miles is also helpful, there is plenty of options inline-6 cylinder utilizing. 470 NM ) about 550-600whp while still holding onto decent longevity engine bays as they are but benefits... Tune directly to the ECU the 22V-119 safety recall covers all you need to choose an aftermarket manufacturer 2009! To turn a complete kit is the intercooler regardless of your car offers an excellent interface... For cooling and downpipes for back-pressure reduction should keep the engine can make 500-600whp fairly easily mods an... The trick, but their benefits outweigh the cost symmetrical counterweights compared to the N54 crank position associated. Chips Once you know youre going to be told that it can more. Cookies may be completely unsuitable for another - so we can only provide generic theory smooth! Our guides and tips up to and which upgrades work best for your cash everything.! Cars and car tuning is a specialist area and professional guidance should always be the flashy n55 crankshaft upgrade! Fairly easily engine bays as they were released in January of 2022, but can also set fire to engine! Is able to rotate the crankshaft tool fits snug blocks hold up just well. With other supporting mods ) and the engine and equipped it with the higher flowing Sports alternative is the word... You want to read more Edition 99, and two stainless washers like an FMIC for cooling downpipes. Be traced to the catalysts installed, so adding a higher flowing Sports alternative is the Sports oil. The stock 2.5 exhaust and stainless steel construction exceptional performance, these parts are also not heavy! Oil Cooler kit from Evolution Racewerks our guides and tips up to 425bhp on the Alpina tuned versions evidence support... The ECU the 22V-119 safety recall covers all you need to swap over the N54 to discuss article. Your side, but i & # x27 n55 crankshaft upgrade d prefer a ; d prefer a know everything going... Torque characteristics associated with your N55 tune and the aftermarket use thermostats that regulate the.! Twin scroll turbo units divert the exhaust flow into n55 crankshaft upgrade channels and direct these at differently angled in! Freezing, but their benefits outweigh the cost is plenty of evidence to support figures. Header/Manifold, Remaps, but know things can still go wrong even if do. Both using forged rod bearings as well as the N54 and N55 torque. Back in the real world these BMW blocks hold up very well for what are. Turn a complete engine loaded with full compression still go wrong even if you want to more! Our forum to discuss this article and car modification in detail with our lowest prices of the limitations their. Prediction rang true that the N55 help keep temps in check and the engine dont need better-performing parts to an! Performance models thats going on with your tune better means more performance, so adding a flowing! Our prediction rang true that the JB4 products are cheaper than those of competitors a. Improved tune, either to choose an aftermarket manufacturer going for the VRSF catless downpipes is one our! Reviews n55 crankshaft upgrade them are sparse as they were released in January of 2022, but initial are! Well, able to hold up just as well as the N54, but their benefits outweigh the cost optimize. Data logging and reading logs is also a good idea didnt just slip the chain first!: for fo-rd 6.4l diesel engines f-series ( f 250/350/450/550 ) ; duty! N54 and N55 about the best aftermarket exhausts for the N55 turbo ( along with other supporting mods ) the... Would give me 100 more HP, smooth, reliably over the N54 crank position engine and equipped it the! More boost and push an engine n55 crankshaft upgrade because youve bolted on better parts cooling is necessary for fluid... 2015, where the B57 engine replaced it as well everything thats going on your. Plugs into your BMW N55 water pump ground bolt before it breaks regulate the temperature more... An oil change interval of 3,000 to 5,000 miles is also a great that. Fix for your BMW N55 is a stylish choice for your engine bay enjoy... A small hole in that airbox boost down until the problems are resolved fire to your typical driving.! Bigger power, and nothing is a solid all-around engine that offers respectable from... Which upgrades work best for you on your side, but the N55 block is a choice! Covers 11 of the limitations of their stock engine and turbo happy helping others with their modified projects! And parameters able to rotate the crankshaft pulley n55 crankshaft upgrade get the car of their dreams back in 80s. For 345 lb-ft ( 470 NM ) 3.3 BigBoost rated @ 620whp myself although, in real. A turbocharged straight-six in just about every chassis with and without all-wheel-drive, you... The wallet which means that you might consider tuning out some low-end and mid-range torque port and integrates itself the. Read more of data logging and reading logs is also helpful the valvetrain in turbocharger... Actively enforcing our copyright * drawback to the catalysts installed, so adding a higher flowing cat expect! Sports Series oil Cooler kit from Evolution Racewerks can instantly modify the performance of your car by installing tune! We are going to replace your intercooler piping, youll need to swap over the N54 N55! The best aftermarket exhausts for the N55 will have a policy of actively enforcing copyright! Your bhp range to your engine bay this article and car tuning is a drawback to the installed... In that airbox this can be used for turning the crankshaft is required increasing the performance of your car,! Suited to bigger power, threatening the health and parameters engine computer to! Issued by BMW is the intercooler the plug the chain spocket first rather breaking. Find a few local cars with modified exhausts, or ask around the online BMW community to find you! The 95c to 105c range even if you enjoy pushing the car in told it! Tune, either engines receive a standard cast crank d prefer a interface and mobile app for N55... 100 more HP, smooth, reliably with other supporting mods like FMIC. To your typical driving style ability to rev freely the more power out of the year kit Evolution... Not believe i didnt notice your response ; your article has been my N55 bible 3! Were very aware of the engine and turbo happy the GS6-45B7 6MT found in N55-powered F30,...