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2001 BMW E39 540i Automatic Sedan, 200 k miles
2,461 Posts
What year is your car ?

1. I think you have the K95 relay. You should confirm it on (enter your VIN number, then search for K95 relay)

2. Your ABS is probably fine.
Change the bad relay, then clean the brushes of the Steering angle sensor. Then, reset and test drive.

To reset: (Use Tool32 of INPA. Load up Tool32. Then open the group file DSC57.PRG . Scroll down the jobs list and double click "test_lenkwinkel".) This procedure recalibrates the steering angle sensor, and clears all the ABS/DSC/ASC/Brakes error lights.

Report back...
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