Brake and 4x4 warning on 2004 BMW X3

brake and 4x4 warning lights came on while driving. No change in driveability or braking, and the car is making no noises. Possible causes?

by in Lexington, SC on February 10, 2011
2 answers 1 comment
ANSWER by on February 10, 2011
Is the ABS light also on? That should indicate a ABS / Trac control problem, maybe a lost wheel speed sensor signal. To figure out for sure it has to be diagnosed with an OE or similar diagnostic computer. Zee
COMMENT by on February 11, 2011
No, the ABS light is not on. I had brakes and rotors replaced within the last two months, so I am thinking wheel speed sensor. The lights went off yesterday and have not returned, so I am thinking this is definitely just a sensor. Thanks for the answer!
ANSWER by on April 11, 2012
hold the button that reads u have a flat for more than 20 seconds should help

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