General information about the power system All engines except early models (518), are equipped with an electronic fuel injection system. Early 518 models are equipped with Solex carburetors. Either...
Relieving pressure in the fuel injection system Fuel is extremely flammable, so take extra precautions when working on any part of the fuel system. Do not smoke or allow open flames or lamps without shades...
Checking fuel pressure / fuel pump Fuel is extremely flammable, so take extra precautions when working on any part of the fuel system. Do not smoke, and do not allow open flames or lamps without...
Repair and replacement of fuel lines and connectors Fuel is extremely flammable, so take extra precautions when working on any part of the fuel system. Do not smoke or allow open flames or lamps without shades...
Removal and installation of the fuel tank General view of the fuel tank on late models 1. To relieve pressure inside the fuel tank, remove the filler cap. 2. On models with fuel injection, relieve the...
Removal and installation of the air cleaner Disconnect the negative battery cable. If your vehicle's radio is equipped with an anti-theft system, make sure you know the correct activation code before...
General information about the carburetor Early models are equipped with a Solex 2B4 carburetor and later models are equipped with a Solex 2BE carburetor. Both carburetors are double barrel downdraft....
Removal and installation of the carburetor Withdrawal 1. Remove the air cleaner as described in Section Removal and installation of the air cleaner . 2. Disconnect the accelerator cable from the...
Cleaning and adjusting the carburetor This section describes the procedure for the 2B4 carburetor. The procedure for the 2BE carburetor is similar. Cleaning 1. Purchase a complete set of gaskets...
General information about fuel injection The fuel injection system consists of three main subsystems: the fuel system, the air intake system and the electronic control system. Fuel system An electric...
Fuel injection systems L-Jetronic fuel injection system The Bosch L-Jetronic fuel injection system was used on most E28 models ("old style"). This electronic fuel injection system...
Check of functioning of system of injection of fuel Fuel is extremely flammable, so take extra precautions when working on any part of the fuel system. Do not smoke and do not allow open flames and lamps without...
Check of functioning and replacement of fuel injectors Fuel is extremely flammable, so take extra precautions when working on any part of the fuel system. Do not smoke and do not allow open flames and lamps without...
Troubleshooting the fuel injection system L-Jetronic fuel injection system Malfunction Possible reason Remedy Engine (cold) hard to start or not to start Faulty cold start injector or temperature...
Power system troubleshooting Symptom Possible reason Excessive fuel consumption The air cleaner element is dirty or otherwise obstructed (see chapter Car maintenance ). The setting of the...