bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

4 RA Checking Alternator And Regulator Switch|Page 270 > < 4 RA Checking Alternator And Regulator Switch
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From E46/E39 with multifunction regulator.

Recognizable by plug connection on regulator.

Connect DIS Tester.

Function selection

Complete vehicle

Drive

Voltage and current regulation

Voltage and current generation

Work through test modules

Oscillogram for a fault-free alternator:

Oscillogram for a faulty alternator:

One phase interrupted.

Repair/exchange alternator.

Interturn fault.

Repair/exchange alternator.

RA  Checking alternator and regulator switch

BMW AG - TIS

26.01.2013  20:15

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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4 RA Checking Alternator And Regulator Switch|Page 270 > < 4 RA Checking Alternator And Regulator Switch