Diagnostic connector in engine compartment:
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
Connect up MoDiC or BMW DIS.
Interrogate DME fault memory.
Note down fault messages stored in memory.
Further information on troubleshooting in line with DIS or MoDiC instructions.
OBD socket (1) in driver's footwell:
Same procedure as above.