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      12-16-2012, 02:29 PM   #5
Drives: 2012 135
Join Date: Nov 2011
Location: so cal

Posts: 456
iTrader: (2)

Just FYI, that's afterfire, otherwise known as little pockets of unburnt fuel igniting in the exhaust. Backfiring is a far more serious issue usually requiring, at the least, a new intake manifold after it happens

Overrun/afterfire is no big deal.
2012 135i. dinan stg3 | ohlins dfv | assorted rice | hardest parker evAr
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