Thread: Jerk? Jb4
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      12-26-2012, 04:22 PM   #1
obiltagi3
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Drives: F10 535i 2011, F10 550i 2015
Join Date: Dec 2012
Location: Orange County

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2015 BMW 550i  [9.00]
Car jerk? jb4

Hello everyone, i installed the jb4 stage 2 about 3 weeks now. After installation i noticed when driving casually, or normally the car jerks. It sounds like it is jerking possibly while shifting. Like i says it only happens when cruising. Not sure what is causing this. I am tempted to take off the jb4 and see if it consists. But before i do i would like to hear any input, ideas.

Thank you
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