HD: Porsche 911 Turbo 997 manual vs BMW M5 E60 (chip and exhaust) : M5BOARD.COM
M5BOARD.c LP560-4 Gallardo Event: http://www.m5board.com/vbulletin/e60-m5-e61-m5-touring-discussion/127290-latest-gtboard-supercar-shootout-audi-rs6-lp560-4-997-turbo-997-gt3rs-m5-more.html Porsche 911 Turbo (997) vs BWM M5 E60 chip + Dinan exhaust
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