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      01-26-2014, 11:29 AM   #1
tony1
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Drives: 2014 M6 Gran Coupe
Join Date: Nov 2013
Location: Virginia

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loss of acceleration

I have installed gruppe M intakes but been having a problem with loss of acceleration when rpms fall below 2000 especially when trying to accelerate in 5th gear or above....Has any had this problem or any thoughts. BMW states mass air flow sensors ok but i am still worried....appreciate any insight
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