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      01-07-2013, 02:04 PM   #2
smashhell
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Drives: 2011 535i
Join Date: Dec 2011
Location: Los Angeles, CA

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Yep.
The 1M is proven faster.
However the impressive thing about the M135 is that it cost $10k less than the 1M while being able to achieve similar performance.
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2011 535i Alpine White, Oyster on black interior, Premium 1 & 2 Package, Magnaflow Full Cat-Back Exhaust, JB4 Stage 2