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      05-29-2013, 07:42 AM   #13
United Kingdom

Drives: M3
Join Date: Apr 2012
Location: Over there

Posts: 1,215
iTrader: (0)

LOL. Grenade. Yeah does sound like that sometimes. When I lift off at 4000rpm second gear. Its quite a loud boom. Use to be a sharp pop but now it sounds muffled but still burble and pops a lot. Just never heard anyone else that experienced it over here.