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      01-26-2014, 12:29 PM   #1
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loss of acceleration

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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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      01-26-2014, 09:34 PM   #2
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Make sure all connections tight. It uses stock mass air flow sensors so that shouldn't be issue. They reuse the factory ones.
2013 BMW Alpina B7x SWB Alpina Blue
2013 BMW M6 Coupe Brilliant White Met. Akrapovic Evo full titanium, AMS Alpha DPs, Gruppe M intake, HRE S101s 20s, full BMW M perf parts, comp springs sway bars, awaiting Dinan, 630hp 570lb/ft
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