Retrieving & Erasing Diagnostic Trouble Codes
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.
OBD-II and BMW Diagnostic Trouble Codes (DTC) can be retrieved or erased using BMW or a generic scan tool connected to Data Link Connector (DLC). See Figure-Figure . Follow scan tool manufacturer's instructions. BMW diagnostic hardware directs user to a specific test routine which provides diagnostic information.