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.
The four turbo companies referenced throughout this post – RB, Vargas, MMP, and Pure – are some of the most common turbos on the N54 market.
Thanks to the N54’s twin turbos and forged internals, it is … BMW M54 Common Problems Summary. They key difference is that the N55 is a single-turbocharged engine, compared to the twin-turbocharged N54.
The smallest and currently most affordable cars these engines came fitted in were the E82 135i and E90 335i, both of which have depreciated nicely. In 2011, it replaced the N54 in the 135i, 335i, and 535i, and was later featured in the new 235i, M2, and 435i. I now have 85,208 miles, bought at 63000miles and my only issue so far was a single ignition coil.
Unfortunately, this engine has not had a blemish-free reliability record, and is prone to failing in two critical areas: The motor is based on aluminum block of cylinders which is equal to M54B30 with cast iron sleeves. Summary. N55 Reliability.
Along with improved reliability, the N55 has been catching up to the N54 in terms of tuning capability, with more than a few examples swinging well above their weight class on the drag strip. The N54 offers peak torque 100rpm sooner and slightly better throttle response, but it’s barely even noticeable in real-world driving conditions. N54 Reliability Question Typically on these forums you read a lot of bad news, as is the nature with forums in general. The N54 was BMW’s first real foray into turbocharged gas engines, and by combining the silky smoothness of their legendary six-cylinder with the low-end torque of a turbo, the result was an exceptionally drivable machine. Despite the many misconceptions that BMW’s as a whole are unreliable, the BMW N55 is actually a fairly reliable engine. The four most common problems with the N55 are, in no specific order, the valve cover and gasket, water pump, oil filter housing gasket, and VANOS solenoids. The BMW N55 is the successor of the N54 engine. Both offer pretty poor reliability, with the N55 being slightly better. Just curious if there are any people out there with solid reliability experiences with this engine in their 07-08 models? The frequency and severity of repairs are both higher than the average vehicle, which means you can expect a higher occurrence of major repairs for the 335i. I bought my 2011 335i N55 for reliability and powerrr. 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. The average annual repair cost is $1,030 which means it has poor ownership costs. Over the years, BMW continues to be constantly on that list, either on the top or near it. The BMW N54 is a twin-turbocharged straight-six petrol engine that was produced from 2006 to 2016. Back in 2001, BMW topped the Ward’s top Ten Engines with a one, two finish, the M54 and the S54 which was the engine for the M3.
BMW N54 engine reliability, problems and repair Powerful straight-6 twin-turbocharged N54 (N54B30) was developed by Alpina in 2006 for fast BMW autos and crossovers.
Bosch Replacement HPFP for BMW N55.
The BMW 335i Reliability Rating is 2.0 out of 5.0, which ranks it 28th out of 31 for luxury midsize cars. BMW N54 Twin Turbo Setups – Turbo Manufacturers We try to avoid any drama between turbo manufacturers, and there is quite a history of some bickering back and forth on the various forums.
BMW still offers fun-to-drive sporty cars, such as the 2 Series coupe, Z4 roadster, and M-designated models, along with very plush luxury cars and a wide variety of polished SUVs.
This year with a number one finish with their B58 inline six. You're not going to reach N54 levels of power from tuning n mods, but the n55 by itself has been plenty reliable for me.