BMW 3 Series E36 car fuel injection system

Technical data of the injection system of gasoline engines (DME)
Nozzle Resistance test: 15-17 ohms. Leak test. At a system pressure of 3.0 bar (on 320i models produced since January 1995, 325i: 3.5 bar) no more than 1 drop...

Diagnostics of injection system faults
Before you start troubleshooting using the diagnostic table below, the following check conditions must be met: driver errors when starting the engine are...

How a diesel engine works
In a diesel engine, fresh air is sucked into the cylinders, where it is highly compressed. This causes the temperature in the cylinders to rise above the...

Turbocharger
Diesel engines of BMW cars are equipped with a turbocharger. In the turbocharger, two turbine wheels are located on one shaft, placed in separate housings. The...

Fuel filter heating device
To maintain fuel fluidity at low outside temperatures, the fuel is heated. An electric heating device is designed for this purpose. Thanks to it, thickening of...

Checking the preheater/glow plugs
Note: The DDE control unit has a memory device that stores faults in the electrical part of the fuel injection system. The service station then interrogates...

Checking the power supply and glow plug relay
Before disconnecting the battery, conduct a survey of the fault memory at the service station, since the stored failures are trying. Disconnect the ground wire...

Glow plugs with burnt rods
Burning of glow plug rods is often the cause of injection failure. Such damage is not caused by the glow plugs themselves. Therefore, in such cases, the...

High pressure fuel pump
1. High pressure fuel pump 2. Toothed pulley 3. Key 4. Spacer washer 5. Nut M12 6. Solenoid stop valve 7. O-ring 8. Spring washer 9. Nut 10. Front mounting nut...

Removal air from the fuel system
After emptying the fuel tank or after replacing fuel system components, air removal from the fuel system is generally not required, since air removal occurs...

Removal and installation, checking of the electromagnetic stop valve
The electromagnetic shut-off valve is located on the high-pressure fuel pump above the fuel hose connections. As soon as the ignition is switched on, the...

Removal and installation injector nozzles
Defective injectors can cause strong knocking in the engine, the cause of which can be mistakenly attributed to the destruction of bearings. In such cases, let...

Checking the start of the high pressure fuel pump
To check, you need a dial indicator with a corresponding adapter to screw into the pump. When checking, the engine must be cold (ambient temperature)....

Diagnostics of faults of fuel injection system of diesel engine
Before searching for the cause of the malfunction using the diagnostic table, the following conditions must be met: driver errors when starting the engine are...

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