What Shiv said was that a 340-350hp n55 with dct was equal to a 370/380hp 6 speed n54. BMW’s latest engine release is designated as the B58 engine in the 6-cylinder version. Why did they remove the 255hp N52 from market besides the N54 replacing the 330i at the upper end of E9x engine line? You can't just copy and paste the dwell tables simply because n54 uses rpm vs voltage with a temperature scaler (not in most xdf's) while n55 indexes load as well. Whats the better motor? I dont understand.. They provide 2JZ-like levels of performance, respond very well to modifications, and have strong aftermarket support. The N55 is definitely quieter and has less intake noise compared to the F10 528i, but the exhaust note is pretty nice on the N55 335i. The n52 I drove was very smooth and had a decent amount of power for most people. In 2006 when BMW dropped the N54 it was their first mass-produced turbocharged engine. I agree with everything said about the N52/N51. The 4 Best Cold Air Intakes for Subaru WRX, The Evolution of The Coyote Engine (Explained). I understand that newer models have newer low dust brake compounds. Our exhaust is made from the highest quality 304 grade, mandrel bent stainless steel and we include super-flex, stainless steel band clamps to ensure quick and easy installation. 2011 Alpine White BMW M3 Coupe 6-speed Manual w/ ZCP. All the cars involved were autos. Even at this moderate tune-only state, the 135. Realistically, they’re so similar in terms of performance, that you can’t exactly say one is better than the other. I think the biggest motivation for the N55 was for a cost reduction. BMW had a long history of producing excellent naturally aspirated engines, so the N54 was a huge change for BMW. Previously BMW had produced turbocharged engines in the past such as the M102 and M106, but those engines were limited production and never had successors. “TwinPower Turbo” which is a twin scroll single turbo, BMW X5 Reliability, Problems, & Driving Experience, BMW B58 Water Methanol Injection (WMI) Guide, BMW N54 Water Methanol Injection (WMI) Guide, Tuning Pro – Automotive Tuning & Performance Guides. Dedicated to making Supercars look slow, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Obviously, if you want big power you’re going need either a big single or twin turbos. I think the N54 could have been made to meet the higher emissions standards if they wanted to. Compared to cast iron, cast aluminum heads are much lighter and offer superior thermal performance which is important because the cylinder head is a big determining factor in how much power your engine makes. BMW had a long history of producing excellent naturally aspirated engines, so the N54 was a huge change for BMW. Previously we’ve made a video covering BMW N54 and what makes it so special, but eventually, the N54 was replaced by the N55, so today we’re going to dive in and tell you everything you need to know about the BMW N55. Thats purely speculation on your part unless of course you can provide BMW documentation stating the same. (FBO) Cobb Stage 2+, AR Downpipes, Injen DCI, AA (Sport) FMIC, ER Chargepipe/Synapse BOV, Carbon fiber bits and Breyton GTS-R Wheels. As stated earlier, the N55 is an all-aluminum engine which means the cylinder head is constructed from cast aluminum. It is BMW's first mass-produced turbocharged petrol engine and BMW's first turbocharged petrol engine since the limited-production BMW M106 was discontinued in 1986. Thanks for writing it. Having variable valve lift and variable valve timing is a huge performance benefit in terms of power and efficiency. Without a doubt, the VRSF 3.5″ Catback Exhaust for your N54 & N55 335i is THE best option for your 335. Both are features in sports cars and sedans, and both have won International Engine of the Year awards. Currently you have JavaScript disabled. The N54 features a forged crank and rods, with the N55 features cast crank and rods. Superchargers: Everything You Need to Know, Toyota 2JZ vs BMW B58: Which One is Better, Mitsubishi 4G63T: Everything You Need to Know, Copyright © 2020 | External Link Disclosure, Bryce founded Dust Runners Automotive Journal in 2014 as a way to write about the cars he found interesting. With this setup, each bank of three cylinders on the same firing cycle feed an individual scroll of the turbocharger which reduces exhaust reversion. Both engines feature cast piston, and unless you’re looking to push north of 600whp, both bottoms ends are plenty strong. To cover some basic information, the BMW N55 is an all-aluminum 3.0L straight-six engine with dual overhead cams, variable valve timing, and variable valve lift. I still miss my less-powerful M54. The N55 was primarily introduced to meet the more stringent Euro-5 emissions requirements (the N54 is a Euro-4 category). If you want more, there are some hybrid turbo options on the market if you want something nearly as responsive as stock while also increasing power. Bore measures at 84mm and stroke at 89.6mm. GM LT2 (C8 Corvette): Everything You Need to Know. Currently you have JavaScript disabled. N54 and n55 coils use the same dwell effectively as the coils are basically identical other than manufacturers, which change based on deals and bidding wars generally. Mods, please do not close this thread as I haven't had my daily dose of entertainment yet. Legendary straight-six engines like the Toyota 2JZ, Nissan RB26, Ford Barra, and even the BMW N54, have all been up on a pedestal and they’re like the best engines ever. Your email address will not be published. Click here for instructions on how to enable JavaScript in your browser. I know there are going to people in the comments claiming their N54 or N55 is the most reliable thing in the world and has never broken down on them, but the reality is that both have pretty poor reliability, with the N55 being marginally better. The N54 debuted at the 2006 Geneva Motor Show and was launched in the 335i model of the E90/E91/E92/E93 3 Series range. I know some of you might be thinking that 302 to 365 horsepower out of a modern 3.0l turbocharged isn’t much, and you’d be right. The twin-scroll setup allows the N55 to deliver peak torque 100rpm sooner than the N54, but that difference is hardly noticeable in the real world. https://www.bimmerfest.com/forums/showthread.php?t=557294, http://www.e90post.com/forums/showthread.php?t=37444, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. BMW must also feel it has an edge hence. BMW N54 vs N55 Engine. And, as already stated, the N54's tune potential is better than the N55's. The reason BMW ditched the twin-turbo system on the N54 for the single turbo system on the N55 isn’t totally clear, but single turbo systems are cheaper to manufacture, easier to package, more thermally efficient, and they provide better reliability. To put it simply, the N55 is more reliable than the N54, but that’s not a hard thing to achieve considering the N54 was pretty unreliable. Save my name, email, and website in this browser for the next time I comment. Reliability is arguably the most important things to look for in an engine, and unfortunately, the N54 has horrible reliability. NIet voor niks dat de 1M een aangepaste N54 blok heeft en NIET de n55! The N54 features twin turbochargers and the N55 uses a single twin-scroll turbo. Anything going on with the N55. Current Ø consumption: 
. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Theoretically, the open deck design is a limiting factor when making big power, but for the large majority of street cars, the block is more than strong enough. I would ease into the brakes and keep pushing down but even pushing down with decent force never felt as strong a brake feel as the 2008 models. Click here for instructions on how to enable JavaScript in your browser. The N54 had a recall for the pump?...And yeah. And, as already stated, the N54's tune potential is better than the N55's. BMW’s N55 engine is found in the 2011-2015. A twin-scroll turbo is just a standard turbo with the exhaust housing split into two scrolls. It was damn hard to give up especially when it was totally problem free. The N54 is found in 2007-2010 335i models along with the 2011-2013 335is. It takes a while for brake pads to break in, approx 500km or so. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i), 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications, -DCT Transmission is incredible. I'm guessing a single twin-scroll turbo and simplified plumbing is probably a bit cheaper to manufacture than the twin single-scroll turbo setup on the N54 and more complicated plumbing. i highly doubt a tune only dct could keep up with a 450 whp fully modded n54. The N54 offers peak torque 100rpm sooner and slightly better throttle response, but it’s barely even noticeable in real-world driving conditions. BMW must also feel it has an edge hence "While the face-lifted 2011 BMW 335i coupes will be offered with the N55, the N54 will be retained in the higher-performing 335is". It was featured in a handful of different vehicles, but ultimately it was officially phased out for the N55 in 2011, except for the 1M and Z4 35i. If they had offered this spec engine or the 330i spec one in the E93, I'd have gone for that rather than the N55. At that point, you’re going to be limited by the bottom end at around 500 to 550whp. One more thing...the brake feel. De N54 schijnt inderdaad vaak 275-285PK (op de as) te halen maar als je de verschillende dyno runs op US BMW fora mag geloven geeft nagenoeg elke N55 nog meer vermogen (290+) dan een willekeurige N54. Bolted to the side of the head, you’ll find the Twin Scroll single turbocharger manufactured by Borg-Warner. The valvetrain is comprised of dual overhead cams driven by a timing chain, with four valves per cylinder. The twin-turbo setup on the N54 does offer better performance when modified compared to the N55. It should be noted the N55 isn’t perfect, but BMW did fix many of the issues the N54. No doubt BMW engines are a masterpiece, but the use of cheaper and cheaper components over the years has maintenance cost sky high for many long term owners. They had produced turbocharged engines before 2006, such as the M102 and M106, but those engines never had successors. 07/04/2020 Bryce Cleveland Cars 0. Follow him on Instagram for more. Many reviewers after having driven BMW's with both engines feel the N54 is a better performing powerplant. VQ35DE: Everything You Want to Know | Specs and More, Honda J35: Everything You Need to Know | Specs and More, 4 Reasons to Buy a Lexus SC300 / SC400 Today. Depending on how old your loaner was, there might be some inconsistencies. While the N54 was BMW’s first mass-produced turbocharged engine, the N55 was their first engine to use a twin-scroll turbocharger. I wish I can try the N55, but it is pretty hard to get one as a loaner. N54 --- Wastegate rattle en Benzinepomp problemen extremely goed te tunen N55--- Bovengenoemde problemen zo goed als geholpen maar niet zo goed te tunen als de N54 De N54 blok is gewoon een beest!Stukken robuster en de 2x turbos zijn wicked! Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. I liked it alot. BMW N54 vs N55 As far as applications go the N55 was used in the 135i, 335i, 535i, X1, x3, x5, 640i, 740i, M235i, and more. A forum community dedicated to BMW owners and enthusiasts. Both engines suffer from waste-gate rattles, however, it doesn’t typically affect the longevity of the turbos.
. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Theoretically, the open deck design is a limiting factor when making big power, but for the large majority of street cars, the block is more than strong enough. I would ease into the brakes and keep pushing down but even pushing down with decent force never felt as strong a brake feel as the 2008 models. Click here for instructions on how to enable JavaScript in your browser. The N54 had a recall for the pump?...And yeah. And, as already stated, the N54's tune potential is better than the N55's. BMW’s N55 engine is found in the 2011-2015. A twin-scroll turbo is just a standard turbo with the exhaust housing split into two scrolls. It was damn hard to give up especially when it was totally problem free. The N54 is found in 2007-2010 335i models along with the 2011-2013 335is. It takes a while for brake pads to break in, approx 500km or so. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i), 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications, -DCT Transmission is incredible. I'm guessing a single twin-scroll turbo and simplified plumbing is probably a bit cheaper to manufacture than the twin single-scroll turbo setup on the N54 and more complicated plumbing. i highly doubt a tune only dct could keep up with a 450 whp fully modded n54. The N54 offers peak torque 100rpm sooner and slightly better throttle response, but it’s barely even noticeable in real-world driving conditions. BMW must also feel it has an edge hence "While the face-lifted 2011 BMW 335i coupes will be offered with the N55, the N54 will be retained in the higher-performing 335is". It was featured in a handful of different vehicles, but ultimately it was officially phased out for the N55 in 2011, except for the 1M and Z4 35i. If they had offered this spec engine or the 330i spec one in the E93, I'd have gone for that rather than the N55. At that point, you’re going to be limited by the bottom end at around 500 to 550whp. One more thing...the brake feel. De N54 schijnt inderdaad vaak 275-285PK (op de as) te halen maar als je de verschillende dyno runs op US BMW fora mag geloven geeft nagenoeg elke N55 nog meer vermogen (290+) dan een willekeurige N54. Bolted to the side of the head, you’ll find the Twin Scroll single turbocharger manufactured by Borg-Warner. The valvetrain is comprised of dual overhead cams driven by a timing chain, with four valves per cylinder. The twin-turbo setup on the N54 does offer better performance when modified compared to the N55. It should be noted the N55 isn’t perfect, but BMW did fix many of the issues the N54. No doubt BMW engines are a masterpiece, but the use of cheaper and cheaper components over the years has maintenance cost sky high for many long term owners. They had produced turbocharged engines before 2006, such as the M102 and M106, but those engines never had successors. 07/04/2020 Bryce Cleveland Cars 0. Follow him on Instagram for more. Many reviewers after having driven BMW's with both engines feel the N54 is a better performing powerplant. VQ35DE: Everything You Want to Know | Specs and More, Honda J35: Everything You Need to Know | Specs and More, 4 Reasons to Buy a Lexus SC300 / SC400 Today. Depending on how old your loaner was, there might be some inconsistencies. While the N54 was BMW’s first mass-produced turbocharged engine, the N55 was their first engine to use a twin-scroll turbocharger. I wish I can try the N55, but it is pretty hard to get one as a loaner. N54 --- Wastegate rattle en Benzinepomp problemen extremely goed te tunen N55--- Bovengenoemde problemen zo goed als geholpen maar niet zo goed te tunen als de N54 De N54 blok is gewoon een beest!Stukken robuster en de 2x turbos zijn wicked! Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. I liked it alot. BMW N54 vs N55 As far as applications go the N55 was used in the 135i, 335i, 535i, X1, x3, x5, 640i, 740i, M235i, and more. A forum community dedicated to BMW owners and enthusiasts. Both engines suffer from waste-gate rattles, however, it doesn’t typically affect the longevity of the turbos.
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