Retrieving & Erasing Diagnostic Trouble Codes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2001 BMW Z8, 2001 BMW X5, 2001 BMW M5, 2001 BMW 750iL, and 2001 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.