BMW F10 550i with M5 Competition Mufflers

Cold Start, Revs, Take Offs, Street and Freeway Sounds on a BMW 550i MSport with BMW M5 Competition Mufflers, M5 Diffuser, Paint / Labor and Installation for approximately $1500. Video sounds best with headphones or ear buds.

DIY M5 Diffuser Info:


By | 2016-12-20T16:58:32+00:00 December 20th, 2016|Categories: BMW Cold Start|0 Comments

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