Originally Posted by boosted5
Bumping this thread for some advice... looks like I am not going to build the engine as stated before but rather just go back to stock. Here's the question at hand, any issues that anyone could think of that would arise if I were to buy a n54 from a salvaged 335xi and swap it into the 535i?
the engine should be the same, just move over your injectors coil packs and put new plugs in it. move over the better HPFP starter, i cant really see a major difference between the XI and I. exept transmission i could be wrong
but y u no build?