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battery light

  1. HELP! Battery Not Charging! (alternator and battery replaced!)

    E39 M5 and E52 Z8 Discussion
    Help! I had Charing issues some months ago and took to shop. Battery wasn't getting a charge and volts would fall below 11v while driving....Replaced Bosch Alternator and Battery. Everything fine for 4 months. Red Battery Lite came on and Battery Test 09 saying 11.5v and drops down to 10v...
  2. Where is the main relay?

    E39 M5 and E52 Z8 Discussion
    Problem occurs during acceleration, disappears when stopped at a light. Battery, ABS, and brake idiot lights are on. Radio, HVAC and sunroof cut out. The car is driveable but the situation sucks. I got the following error code: I thought it was the black one in the right trunk pocket but my...
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