Quote:
Originally Posted by GrimJaw
Are you running a tune that clears the code. Everyone I see with the BMS/Injen one claims to get a CEL that can only be removed through coding
|
I’m in a m240i so can’t speak for the m235i, but in mine I have never had a cel without my jb4 installed, but most of the time I have the jb4 on. Only take it off for dealer visits and it usually stays off for a few days until I get time to reinstall it.