Quote:
Originally Posted by Angerman
I have heard from two different places about not being able to replace 1 injector (BMW has to do it). So I called this performance shop (AT Speed Motorsports; Hanover, MD). They diagnosed the car and got it running and seems to be running "fine" again. Other shops in my close area were saying that the car has specific injector types for each cylinder, and they can't replace just one. This place replaced it and the car is running again. They specialize in "BMW/Porsche." This engine is confusing the hell out of me.
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It has a lot more to do with the revised part numbers of the injectors and them not being able to work with the "old" version on the N54.
http://www.e90post.com/forums/showthread.php?t=802034 is where I am getting much of this from, though I have also heard it from my parts guy and my SA.