Originally Posted by bdbahh
I installed the bms dci on my 335i a couple days ago and afterwards I got a check engine light and shaking from the engine. Not consistently but when it does it, it feels like a misfire. I checked everything and it seems to be about as tightened as it can be. The back filters hose is what concerns me as the intake cone isn't in there straight on. Anyone have some tips?
how many miles on the car?
are you running a tune?
my guess would be plugs or coils.