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Voltage regulator, remove and install

Remove two screws retaining regulator and remove from alternator. 120032.jpg (14848 bytes)
Check slip rings where brushes run for wear, polish if necessary.
Clean contact surfaces where regulator contacts diode plate.
Install top screw on regulator and swing regulator into position, compressing the brushes as you do so. Install lower screw.
 

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E30 M3 Repair Manual V2.7.  Copyright ©1999-2001 Koala Motorsport & Brett Anderson