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      12-06-2011, 10:46 AM   #13
dt373621
Loaded 1er
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Drives: '12 135i DSB 6spd Msprt
Join Date: Jun 2011
Location: Eastern PA

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2012 135i M Sport  [4.25]
1990 535i  [4.50]
Any idea what they did for the exhaust burble "new feature"? N55s already burble on the overrun, does it just happen more often with this?
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2011 135i
Le Mans Blue on Lemon
///M-Sport - Dual Clutch - Harman Kardon - Bluetooth - iPod - Shadowline Kidney Grill - 225/255 Star Specs - Hotchkis Front Sway





I'd like to find this out as well. I'm hearing different stories from a modified exhaust to nothing at all (135i). Go figure.

I did stage 1 for my 135i and should be getting it back this afternoon from the dealer.