2001 BMW M3 traction control system

Tiny
ROY DAMN
  • MEMBER
  • 2001 BMW M3
  • 6 CYL
  • 2WD
  • MANUAL
  • 95,000 MILES
My traction control is grabbing when button is enabled, after I disingage the button it no longer grabs. What seems to be my problem?
Thansks
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Sunday, August 15th, 2010 AT 8:01 PM

6 Replies

Tiny
DR. HAGERTY
  • MEMBER
Well, the description seems to me to be normal operation. Is there something I am missing or that you are not telling me?
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Sunday, August 15th, 2010 AT 8:17 PM
Tiny
ROY DAMN
  • MEMBER
When im normal driving it almost feels like the brakes are locking and then the traction light come on, allmost feels llike im hitting the rumple bunps on the side of the road. After I disingage the traction control iit stops, has never done it before
thanks for the info
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Sunday, August 15th, 2010 AT 9:01 PM
Tiny
DR. HAGERTY
  • MEMBER
Thanks for the feedback. The DSC is supposed to do that. Keep in mind that there is no way I can know how long you have experienced this or if it is something that is just happened or if it is new to you. Can you feed back to me the data I need to help make a diagnosis?
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Sunday, August 15th, 2010 AT 11:56 PM
Tiny
ROY DAMN
  • MEMBER
The car started recently doing this. For instance, I can be driving 55 mph and it will all the sudden grab, the car almost feels as if I am slamming the brakes, then it will release, all the while the tcs light is flashing I am wandering if it is electronic or mechanical.
Thanks
Stacy
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Monday, August 16th, 2010 AT 9:31 AM
Tiny
ROY DAMN
  • MEMBER
Thanks, for trying. I found out that it is more than likley the traction control sensor, aparently it is fairly common for this to mafunction.
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Tuesday, August 17th, 2010 AT 8:49 AM
Tiny
DR. HAGERTY
  • MEMBER
Very helpful, thanks. I have seen this on one other occasion at the dealer on an M3 that was still under warranty. It was doing the same thing, and we had a hard time duplicating it. It finally got done by replacing the hydro-control unit, #1 in this link: http://www.realoem.com/bmw/showparts.do?model=BL93&mospid=47714&btnr=34_1271&hg=34&fg=20
No stored faults and difficult to pinpoint indeed.
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Tuesday, August 17th, 2010 AT 8:50 AM

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