Beemer Lab

  Pin Connection 1  ignition coil: t1 2  earth, ignition driver 3  pump relay driver: t85 4  ISCV switching: t1 5  CFSV switching: t1 6  tac...

Diagrams showing the internal wiring structure of the Bosch 1.3 DME electronic control unit for injected BMWs that use it, E30, E28, E34, et...

Superb guide from the guys at Equiptech all about the Bosch Motronic 1.1 and 1.3 for the E30 and other BMWs... Motronic 1.1 and 1.3 Motronic...

Replacement wiper blades for modern cars are not cheap. Euro Car Parts wanted £45 for a set and that was with a discount, other high-street ...

 ** ADJUST YOUR AFM SETTINGS AT YOUR OWN RISK ** This is for BOSCH AFM units, fitted to most E30 and other BMWs fitted with Bosch Motronic o...

I’d been messing with my AFM in order to get the car running ok when cold and when I finally fixed the massive air leak on the inlet manifol...

Next on the agenda to find the culprit of the rough running and stalling idle was to examine the injector condition and the plastic tips. Th...

With the car still misfiring a bit, I turned my attention to the plugs and HT leads. All appear fine. The coil works because there is a spar...

Despite paying road-tax and insurance on the E46 Touring it's been laid up for 6 months and with an improvement in the weather it's ...

SYMPTOM: PROBABLE CAUSE: No cold start Fuel-pump fault or clogged fuel-filter Additional air-valve not opening correctly Start-valve not ope...

Throttle Housing: 1. Disconnect the cables (1, 2 or 3) as applicable - Fig. 1. 2. Pull off the vacuum hoses, the coolant hoses (1 and 2...

Two types of fuel injection system are fitted. E21 3er 323i models are equipped with the Bosch K-Jetronic system, whereas E30 3er 320i and 3...

Two types of fuel injection system are fitted. E21 3er 323i models are equipped with the Bosch K-Jetronic system, whereas E30 3er 320i and 3...