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      01-25-2013, 06:21 AM   #3
smashhell
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Drives: 2011 535i
Join Date: Dec 2011
Location: Los Angeles, CA

Posts: 478
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Ummm I don't think the 640 GC and M550i fake their engine sound from speaker.
Only the M5 does that. (the M6 doesn't do that either)
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2011 535i Alpine White, Oyster on black interior, Premium 1 & 2 Package, Magnaflow Full Cat-Back Exhaust, JB4 Stage 2
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