Quote:
Originally Posted by Micke_B
So frustrating this whole OPF thing. And I'm not even removing them.  I guess Milltek EL OPF back system is an option as well. Haven't herd much about it tough. No idea if it has CEL problems or not. :/ |
Have a look at the thread below.
https://f87.bimmerpost.com/forums/sh....php?t=1617973