Originally Posted by Gtrain
Injen intakes were originally designed for the 335 and the 135 is slightly different which causes this issue to my knowledge. I am not 100% sure on this. Also the power steering in the 1M is the not really the problem but rather the active steering pump it seems. I'll try to post photos tomorrow to better explain what I mean.
fair enough - I guess I have a 135i and no active steering pump so that could make the difference!