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E36/7 Z3 (1996-2002)
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Old 09-23-2012, 10:30 AM
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Imola.ZHP Imola.ZHP is offline
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Location: Mud Island, TN
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Mein Auto: 2003 BMW 330i ZHP
Helping a co-worker with a Z3 issue...

Good afternoon!

I am searching and not really having much luck...

A co-worker of mine is having an intermittent issue with his 2001 Z3 2.5i Auto. He says it will randomly feel like a brake caliper is grabbing and the traction control light will come on. But then it goes away just as quickly as it happens. Its a little un-nerving as the car does do a slight "jerk" when it happens. I will ask him tomorrow if any other lights come on and if he can tell which wheel is grabbing, but I wanted to at least get a thread started for suggestions on what could be causing this. They purchased this car about two years ago, used, it has less than 40,000 miles on it...

Thanks for any help!

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Old 09-23-2012, 12:10 PM
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IgotBMW IgotBMW is offline
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Mein Auto: 98 540i, 03 X5
Has he looked to see if there's anything wrong with his rotors or anything that could be caught up under there?
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Old 09-23-2012, 03:20 PM
wifesauto wifesauto is online now
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i would put the car on a lift and remove all 4 tires and inspect the brakes very carefully. i would look for a discolored rotor and get a good feel for all the wheel bearings. any issues with the anti lock brakes or active handling ?
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Old 09-25-2012, 06:03 AM
Benjamin757 Benjamin757 is offline
Location: Chesapeake, Va
Join Date: May 2012
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Mein Auto: 1998 BMW Z3 2.8
The traction control light comes on when its is in use. Is this happening with the hammer down going around a turn? If so that means the indicator is working properly. If it just happens while driving normally then yea you have yourself a problem. Check the brakes and also check if the rear differential is leaking. If so the sensor is probably shot.
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