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12-26-2012, 04:22 PM | #1 |
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Drives: F10 535i 2011, F10 550i 2015
Join Date: Dec 2012
Location: Orange County
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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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F10 550i Imperial Blue/Ivory
BM3 Stage 1 - xHP Stage 1 F10 535i Alpine White/Oyster BMC - Vorsteiner Exhaust - ER Chargepipe - AR Catless DP - MHD Stage 2 - FMIC |
12-26-2012, 07:45 PM | #2 |
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Drives: 06' E90 330, 20' F97 X3m
Join Date: Feb 2006
Location: L.I, NY
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I don't have stg2 but the stage one was making the shifts from first->second->third unbearable. So I took it out. After I bring the car in for service at the dealer I'll probably update the firmware on the tune and reinstall it and see if it persists. See if it stops when you take it out like mine did.
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