San Diego BMW Auto Repair Service Blog

BMW E46 M3 Check the Voltage Regulator Before Replacing the Alternator

Posted in San Diego BMW Auto Repair Service by San Diego BMW Auto Repair Service on February 15, 2010
e46 m3 voltage regulator bmw

e46 m3 voltage regulator bmw

Check the voltage regulator before replacing your alternator, there is a service bulletin out from BMW regarding this issue. If you see the red battery light on, have the technician inspect the regulator as well.  This is what a voltage regulator looks like, it is from an 2004 e46 bmw m3.

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