car jumps at traffic lights etc - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 03-24-2009, 10:46 AM
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car jumps at traffic lights etc

I have a 525d sport automatic 57 plate. I have noticed every now and again that it will jump when I pull away from a standing start whilst the engine is running. I have had it checked out but no error codes have registered. Has anyone else had this problem ?
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#2 (permalink) Old 03-24-2009, 01:07 PM
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what do you mean exactly by it jumps? do you mean it accelerates for a second with out you doing anything or do you mean it bogs down for a second then catches up to speed?
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#3 (permalink) Old 03-24-2009, 04:01 PM
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Do you mean your auto box is giving you a kick in the back ????

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#4 (permalink) Old 03-25-2009, 04:30 AM
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Thanks for the replies guys. The car jolts for a 1/2 a second or so when I realease the footbrake and press accelerator. A kick in the back would be a good description. Mabye it could be the brakes being slow in release ? It can happen twice in succession and then not for two weeks.

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#5 (permalink) Old 03-25-2009, 02:10 PM
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Sounds like your auto trans. When was it last serviced if ever?

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#6 (permalink) Old 03-26-2009, 03:34 AM
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Hi,
The car is 1 year old, never missed a service.
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#7 (permalink) Old 03-26-2009, 05:10 AM
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I've got the same thing when my auto trans switches from 3rd to 4th gear


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#8 (permalink) Old 03-26-2009, 11:40 AM
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Hmmmm I know the older 5's suffered from a software glitch... I'll have to check service info but I would definatly go back to the dealer and talk to a service manager about it

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#9 (permalink) Old 03-27-2009, 05:13 AM
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but myne duznt has software
so could it just be the old tranny?


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