Quote:
Originally Posted by rvacha
The big heartburn everyone seems to have with the K&Ns is oil trashing the MAFs (correct me if there is another heartburn I don't know about). Oil would be a non-issue with the M3 since the S65B40 doesn't use MAFs.
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That is it. And yes, you are correct, no MAF. Good to see there more than a few that follow little details on here.
Over-oiled filters might still cause a problem with gunking up the air trumpets or the butterfly valves, not to mention the airbox.