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Old 12-30-2013, 01:20 PM   #128
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Join Date: Jun 2013
Location: Pennsylvania
Posts: 33
My Ride: 330i
Originally Posted by brokensmile209 View Post
can someone help me and tell what part # do i need to replace the voltage regulator, or maybe should i just get the whole new alternator, see image below, thank you
Can't tell if your alternator needs replacing or just your voltage regulator from that picture. Do about 10 minutes of research, you will find the different symptoms for either one. You can find the part number for any part of your car by going to the realoem website. Alternator stuff is under engine charging systems. This looks like a regulator/alternator for a 3 series, 120 amps. There's a 90 amp one, but I'm guessing you have the HK sound system or navigation, which uses more power.
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