12 63 520 Replacing DME master relay (S65)
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Switch off ignition
- Open electronics box.
Remove DME master relay (1).
Notes on troubleshooting:
If the starter motor cranks the engine during the starting sequence but the engine fails to fire, then:
- Check engine fuses
- If the fuses have blown, replace them completely with the fuse holder
- Find out why fuses have blown
Continue troubleshooting as per DIS instructions.