Section 17 (Diagnostic Trouble Codes With Test Charts): Summary
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 1997 BMW Z3, 1997 BMW 850Ci, 1997 BMW 840Ci, 1997 BMW 750iL, and 1997 BMW 740iL. However, it is still accessible from the selected car via links, so may be relevant.
If no hard DTCs are present, driveability symptoms exist or intermittent DTCs exist, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnosis procedures.