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huntermcc21 huntermcc21 is offline
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Join Date: Aug 2021
Car: 2014 BMW 550i
Default 2014 550i cutting out under heavy throttle - 08-10-2021, 11:34 AM

Just installed my jb4 yesterday. everything is working fine but under wide open throttle between 4500 and 5500 rpm the car feels like it cuts power and then comes back into right away. Any help with this please?
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Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Car: 135i
Default 08-11-2021, 10:10 AM

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