bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

4 RA Checking Rod-type Ignition Coils (M54, M56, N40, N42, N43, N45, N46, N52, N62, N > < 3 RA Normal Oscillogram (M, S, W Engines Only)
Page 2
background image

Secondary voltage diagrams, consecutive:

Note:

Only the major differences in the ignition voltage patterns are
revealed by this method of comparison.

The identified fault must be allocated to the relevant cylinder using
the secondary voltage representation forms next to/on top of each
other.

RA  Normal oscillogram (M, S, W engines only)

BMW AG - TIS

04.02.2013  21:57

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

Copyright

Page  - 2 -

4 RA Checking Rod-type Ignition Coils (M54, M56, N40, N42, N43, N45, N46, N52, N62, N > < 3 RA Normal Oscillogram (M, S, W Engines Only)