Bimmerfest - BMW Forums - View Single Post - what do you think of the M Performance Exhaust?
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Old 04-16-2019, 06:43 AM
1proyer 1proyer is offline
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Location: MN
Join Date: Oct 2016
Posts: 32
Mein Auto: 435i convertib le
I added the total MPPK, exhaust and air intake. Added about 30 hp and there is a Software update too. I say the only negative is cruising speed at 60 mp there is a lower rumble that was not there before. My wife noticed. Easy fix just drive 70! jk.
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