Content Inside :
You’ll need a piece of electrical wire (10/15 cm) to serve as a jumper wire. According to Patrick Farrel, a BMW master tech working at a dealer in MD, you should always use a fused jumper wire. First, locate de diagnostic socket, at the engine compartment. There are two different types: up to 1987, it’s located near the intake manifold, and has a red cap: After 1987, you have to find a big round black plastic socket, with a cap held by a plastic strap, located near the oil dipstick (M20 engines) or near the firewall, driver’s side (M40 engines): Pull the cap (early connector), or unscrew it (late connector), and you’ll see a number of connectors, depending of the type of plug (see the diagrams below). Make sure you jump the right connectors! The best way to follow the diagram for the late type connector is to match its center circle cut (that looks like a pacman :o)) with the one in your car. The earlier one has a flat side, so it’s easier to follow. BMW Service indicator lights FAQ. There are 2 types of diagnostic connectors used on BMWs. One is a 15 pin connector used on 1987 and earlier cars, the other is a 20 pin connector used on 1987-on cars. NiCad batteries in the instrument cluster. The batteries seem to fail pretty consistently after 4 years. The symptoms of this are: The inspection light comes on. Resetting the light according to the instructions below either doesn’t work or works for a short period of time and then the inspection light comes back on. The service indicator lights are reset by connecting pin 7 to pin 19 (ground). The proper way to do this is to have the ignition off and place a jumper wire between pins 7 and 19 (make sure you get the right pins!). Then turn the ignition switch to position 1 (accessory), when the service light goes out, turn the ignition off. Ignition Coil, Motronic.
If you see unrelated pdf files with the description or copyrighted material published, please report to us, we'll correct/delete it it as soon as possible
Tags : bmw e30, jumper wire, diagnostic socket, service interval, nicad batteries, bmw service, plastic socket, oil dipstick, indicator lights, electrical wire, pin connector, red cap, type connector, farrel, engine compartment