BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - Custom muffler delete with 4" tips. 626/909 area

Calvin36 · 09-15-2017, 06:17 AM

Curious about the drone. Once you removed the muffler drone should appear. How bad is it for daily driving?

09-15-2017, 06:17 AM	#4
Calvin36 Lieutenant Colonel 1062 Rep 1,876 Posts Drives: F30 335i M Sport Join Date: May 2017 Location: San Francisco iTrader: (2)	Curious about the drone. Once you removed the muffler drone should appear. How bad is it for daily driving? __________________ Mine: BSM F30 335i M Sport Hers: AW F30 328i M Sport
	Appreciate 0 Quote