The N54 powered the 335i from 2006 to 2009. From 2010 onwards the car was “upgraded” to the N55B30 engine which was almost identical to the N54. The difference, however, was that the N55 had a ...

They mentioned a modified 318iS (E36), a 335i (N54), and a 52i manual wagon (E39). Several Redditors say after being in one, particularly the GTS, they’ll stay away. “Thing requires racing ...