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Kolenda52 · 11-11-2020, 08:37 AM

I have noticed that the drivers side exhaust pipe is black with soot and the passenger side is clean looking. Are both pipes active or is the passenger side just for show?

11-11-2020, 08:37 AM	#1
Kolenda52 Steve K 4 Rep 55 Posts Drives: 2021 Z4 M40I Join Date: Sep 2020 Location: South Carolina USA iTrader: (0)	Exhaust Question I have noticed that the drivers side exhaust pipe is black with soot and the passenger side is clean looking. Are both pipes active or is the passenger side just for show?
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