Special tools required:
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
- 11 0 224
- 11 0 235
For identification of special tools, refer to ENGINE- SPECIAL TOOLS .
- Read out fault memory of DME control unit
- Check stored faults
- Rectify faults
- Clear fault memory
Disconnect fuel pump relay or fuel pump fuse.
Start engine and allow remaining fuel to escape.
This prevents fuel from being injected, the catalytic converter from being damaged and the test result from being distorted during the compression pressure check.
CAUTION:
High tension-danger! Disconnect all supply leads from ignition coils (interrupt power supply to ignition coils).
- Remove ignition coil cover
- Remove ignition coils
- Remove all spark plugs
NOTE:
Check that sealing ring is in perfect condition on special tool 11 0 235
Screw special tool 11 0 235 by hand into spark plug thread and connect special tool 11 0 224.
Depress accelerator and actuate starter until compression stops rising.
Compression pressure, refer to 11 00 ENGINE IN GENERAL S54 .
Now clear the fault memory.