2008 BMW 5 Series Owner's Manual - Page 238

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, 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. Important information on the 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 worsen. Have the vehicle checked as soon as possible. Display of the previously described malfunction in 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 will assume that fuel vapor escapes. Then a display lights up. If the cap is then tightened, the display will go out within a few days.< 236 Online Edition for Part no. 01 41 0 014 240 - © 08/07 BMW AG