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Old 11-21-2012, 04:03 AM
poolman poolman is offline
Officially Welcomed to the 'Fest
Location: martinsville va
 
Join Date: Nov 2005
Posts: 3,854
Mein Auto: 525i station wagon
Go with Doru's advice--the voltage reg and brushes are built together in one unit--with a mirror and a flashlight you can remove the part from the alt without taking the alt off of the car--happened to mine just this way about 60k miles ago and all is well still with 240k miles on the car as of now. If you still having problems with 02 sensor--before replacing the sensor--check for vacuum leaks--there are many places that unmetered air can enter the engine and cause a code that reflects 02 problems concerning fuel metering
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