I just installed a BMS Intake on otherwise BONE STOCK m235i. No problems so far and LOVE the sound...no CEL or Drivetrain Malfunction warnings...
Abirmaher has a BMS Intake also on a BONE STOCK 235 for a few days (maybe a week or so) before he put on his JB4...no CEL or Drivetrain Malfunction warnings...
I think the key is to NOT TOUCH the actual sensor on the MAF. Just baby the thing.
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