Tuned BMW 6 series AMAZING sound!!

http://carbuzz.com/ this amazing BMW M6 was on newbury street. right next to it is a mercedes C63 AMG. If anyone knows what tuning company did this car PLEASE tell me i am extremely curious to find out what company made this incredible car?!?

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BMW M6 Soundcheck GTI-Treffen Reifnitz / Velden Tankstelle Wörthersee Tour
BMW M6 Soundcheck GTI-Treffen 2009 Reifnitz / Velden Tankstelle akrapovic Exhaust sound test Visit: www.gearknob.de





BMW M6 with Supersprint exhaust
BMW M6 with Supersprint Exhaust revving and accelerating.





BMW M6 with Eisenmann Race Exhaust Accelerations and Revs!
Full HD 1080p Video By NM2255: Matte white BMW M6 E63 with an extremely loud Eisenmann race Exhaust system!! Listen to its lovely sound with great accelerations and revs! "Like" my Facebook page: http://www.facebook.com/pages/NM2255/258205730865220




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