most people, including myself, are running E/2, which doesn't trip the CEL and according to the dash commander the car produced 350hp. Here is the link to the older post:
http://f15.bimmerpost.com/forums/sho...7&postcount=81
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Current: 21 M5 Comp, 23 M3 6spd, 23 i4, 20 Tundra TRD PRO