What BMWS are N55?
The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009….N55B30M0
- 2009–2017 F10/F11/F07 535i.
- 2010–2013 E90/E91/E92/E93 335i.
- 2010–2013 E82/E88 135i.
- 2010–2017 F25 X3 xDrive35i.
- 2011–2013 E70 X5 xDrive 35i.
- 2011–2015 F30/F31 335i.
- 2011–2014 E71 X6 xDrive 35i.
- 2012–2015 E84 X1 xDrive35i.
Is the BMW N55 engine good?
N55 Reliability 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.
What year BMW has N55 engine?
BMW’s N55 engine began production in 2009 and started replacing the N54 in 2010. However, most applications built in 2010 still carried the twin turbo N54. The N55 officially replaced the N54 in 2011 (with the exception of the 1M and Z4 35i).
How much HP can N55 handle?
The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How long does an N55 turbo last?
N55 Turbo Longevity at 20+ PSI In general, more boost will reduce the lifespan of the N55 stock turbo. However, it is possible for N55 turbos to last 50,000+ miles at 23psi, for example. On the other hand, the stock turbo may decide to let go much sooner even at 20psi.
What year BMW 335i has the N55?
Model year 2011 335i’s moved on from the twin turbo N54 engine to the single turbo N55.
How much does it cost to rebuild a N55 engine?
The process is zero-hassle from the… Buy the Ghassan Automotive remanufactured BMW N55 engine for $4,495 that includes a two-year, unlimited miles, parts, and labor warranty.
How much boost does a N55 make stock?
With a reliable twin-scroll turbo, the N55 is capable of making up to roughly 25-26psi. However, for reliability and longevity reasons, we recommend limiting boost to about 20-21psi. Much over 21psi pushes the turbo well outside its efficiency range for minimal performance gains.