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      06-29-2016, 09:55 PM   #49
DKX4///M
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Drives: 2020 X4M CS
Join Date: Jun 2014
Location: Long Island, NY

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Garage List
2020 BMW X4M CS  [0.00]
2016 BMW M2  [0.00]
2011 BMW M3  [0.00]
Def for real...Im catless, and have the BMS Can Flap Module...I did it accidentally and it was outragrously loud....Then when I accidently turned it off I was confused and upset...playing with settings and using the bms mod, my inly conclusion is def an open valve along with maybe a more conservtve ignition timing setting or something, i dont have any idea but def more unburnt fuel exploding in that pipe...

I let off next to ppls windows, and I could imagine it would be startling...LOL im a dick
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