2007 BMW 7 Series Owner's Manual - Page 214

Maintenance Socket for OBD Onboard Diagnostics Event Data Recorders Your vehicle may be equipped with one or several measuring and diagnosis modules, or with a device for recording or transmitting certain vehicle data or information. If you have also signed a contract of participation for BMW Assist, certain vehicle data can be transmitted or recorded to enable corresponding services. Care Components which are decisive for the exhaust-gas composition can be checked via the OBD socket with a device. This socket is located to the left on the driver's side, on the underside of the instrument panel under a cover. You can find useful information on caring for your BMW in the Caring for your vehicle brochure. Emissions values The warning lamp lights up. The emissions values are deteriorating. Have the vehicle checked as soon as possible. Display of the previously described malfunction on Canadian models. Under certain circumstances, the warning lamp will flash. This is a sign of excessive misfiring of the engine. In this case you should reduce speed and drive to the nearest BMW center as soon as possible. Serious engine misfiring, even for only a short period of time, can seriously damage emission control components, especially the catalytic converter. If the fuel filler cap is not properly tightened, the OBD system can detect the vapor leak and the indicator lamp will light up. If the cap is then tightened, the display should go out within a few days.< 212 Online Edition for Part no. 01 41 0 013 316 - © 02/07 BMW AG