Quote:
Originally Posted by jetbill
So in summary it seems that some people experience a check engine light (CEL) with the catted version?
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So far Only the guys with the MPPK ecu/intake package have seen a CEL aside from one other person a few days ago. BMW is always changing software settings, so its the only reason we cannot guarantee 100% no CEL
EDIT: the other CEL guy has a different ECU tune out of Germany on his car, not stock ecu.