2008 BMW 6 Series Owner's Manual - Page 224

Maintenance Socket for OBD Onboard Diagnostics interface 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 subscribed to BMW Assist, then 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 under a cover on the left side of the driver's footwell, directly under the instrument panel. Important information on care and maintenance of your BMW is contained in the Caring for your vehicle brochure. Exhaust-gas values The warning lamp lights up. The exhaust-gas values are deteriorating. Have the vehicle checked as soon as possible. Display of the previously described malfunction on Canadian models. The lamp flashes under certain conditions. 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. Heavy engine misfiring causes serious damage to the emission-relevant components, especially the catalytic converter, within a short time. If the fuel filler cap is not properly tightened, the OBD system can detect the escape of fuel vapor. This causes a display to light up. If the cap is then tightened, the display should go out within a few days.< 222 Online Edition for Part no. 01 41 0 014 242 - © 08/07 BMW AG