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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > n54 long block differences between the 135, 335, 535 and x5?



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      02-20-2018, 02:34 PM   #1
breakfastreatre
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n54 long block differences between the 135, 335, 535 and x5?

Spun a bearing in my 135i

i noticed that on car-part and similar sites, 335i motors come up as an interchange part for my 135i

fyi my 135 is a 2008 with an 8 bolt crank


what differences are there between the x5 and 535 n54 motors besides the turbos being different? I have the updated turbos on my 135i so I would swap those on, but I want to make sure that the rest of the long block is the same.
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      02-20-2018, 03:41 PM   #2
feuer
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The nub cogs and sprockets mounted behind the harmonic balancer are different are different on 535 and 335i. The turbos on 135i and 535i are the same. X5 has different inlet on the rear turbo I think, not sure if any differences on the engine. Power steering pumps are different on RWD and Xdrive. They are 3 different rod bearings distinguish by color. That is all I know.
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