3 Series E36 Z3 (M54) ROADST
12 63 520
Replacing main relay (M54 / S54)
Switch off ignition.
Connect DIS Tester.
Release screw connection of electronics box (1).
Installation:
Tightening torque, 12 90 4AZ.
Remove electronics box (1).
Arrangement:
1.
Main relay of Digital Motor Electronics
2.
Engine fuses of Digital Motor Electronics
Notes on troubleshooting:
If the starter motor cranks the engine during the starting sequence
but the engine fails to fire, then:
1.
Check engine fuses
2.
If fuses are blown, replace them completely with fuse holder
3.
Find out why fuses have blown
Continue troubleshooting as per DIS instructions.
RA Replacing main relay (M54 / S54)
BMW AG - TIS
11.02.2013 02:00
Issue status (12/2007) Valid only until next DVD is issued
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