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Old 12-25-2013, 10:24 AM   #127
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Join Date: Mar 2012
Location: Stockton, CA
Posts: 266
My Ride: 2001 BMW 325ci
Re: BMW E46 Alternator DIY (voltage regulator)

Originally Posted by aurelius View Post
Whether you've replaced your alternator or not, do yourselves a huge favor and check for a loose battery ground cable in the trunk of the car. Look at where the ground cable is connected to the body of the car, under the trunk mat.

If it's loose, remove the fastener and clean the carbon from the area with a battery terminal cleaning product.

A loose connection on that particular cable is common in the E46.

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Well do

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