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atlas · 06-05-2020, 06:05 AM

After playing with Bimmerlink opening and closing the exhaust flap, I decided to do this mod today on my 40i. I like the additional rumble and bass that you get on startup and low speed.

Next step is to install my downpipe.

06-05-2020, 06:05 AM	#80
atlas Lieutenant 383 Rep 583 Posts Drives: F10 535i, M2 LCI, G05 X5 40i Join Date: Nov 2009 Location: Melbourne, Australia iTrader: (0)	After playing with Bimmerlink opening and closing the exhaust flap, I decided to do this mod today on my 40i. I like the additional rumble and bass that you get on startup and low speed. Next step is to install my downpipe.
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