Brake Electric Antilock problems of the 1999 BMW 328

The right rear brakes pulsate while driving without the brakes being applied by the driver. This occurs on an intermittent basis (once or twice a week) and stops when the car is shut off and restarted. When the failure has occurred while driving on the highway (e. G. At speeds of 55mph) the right rear disc will glow red hot upon examination after gently stopping the vehicle without applying the brakes. Only the right rear disc glows.