Diesel engine power system BMW 7 Series E38

Principles of operation of diesel engine control systems
When a diesel engine is running, clean air is sucked into its cylinders, which is compressed to high pressure. In this case, the air temperature rises above...

Removing and installing the air cleaner housing
Models with M51 engine 1. Remove the air cleaner element (see Section Replacing the air cleaner element Chapters Vehicle settings and routine maintenance ). 2....

Removal and installation of a turbocharger
If the installed charge air hoses are not degreased and damp, the supercharger may fail. Models with M57 engine M57 Engine Vacuum Hoses Part 1 1 - Vacuum hose...

Removal and installation of the intercooler
If the installed charge air hoses are not degreased and damp, the supercharger may fail. Be careful not to damage the intercooler plates. 1. Remove the engine...

Boost pressure sensor replacement
Below is the description for the M67 engine. 1. Turn off the ignition. 2. Remove the engine top cover. 3. Separate a socket of electroconducting of the gauge...

Removal and installation of the gauge of pressure in the fuel distributive highway
1. On models with an engine M57 remove the intake manifold (see chapter Engine ), plug the inlet ports. 2. Separate a socket and disconnect the gauge of...

Removal and installation of pressure regulator and fuel distributor
Models with M57 engine 1. Cover the generator to prevent fluids from spilling onto it. 2. Remove the inlet pipeline. 3. Clean the injection pump near the...

Fuel Cutoff Valve Replacement
Below is the description for the M51 engine. The valve is installed under the inlet pipeline, in the center. 1. In the de-energized state, the piston extends...

Removal and installation of fuel lines and the fuel distributive highway
M57 engine fuel rail components 1 - Pressure pipeline to cylinders No. 1, 3 and 5 2 - Pressure pipeline to cylinders No. 2, 4 and 6 3 — Nozzles 4 — the Fuel...

Removal and installation of the preheating valve
Below is a description for M57 and M67 engines. The valve is located in the engine compartment next to the left cylinder head. 1. Release clamps (1) and quick...

Removal and installation of injection pump
After installation, it is necessary to bleed the power supply system, preventing the high-pressure fuel pump from running without fuel (dry). Models with M51...

Removal and installation of nozzles
After disconnecting the pressure pipes, be sure to plug the holes in the injection pump and injectors. Models with M51 engine Nozzle assembly 1 - nozzle holder...

Replacement of the fuel tank, its filler neck, as well as the fuel pump and fuel gauges
These procedures are performed in the same way as the corresponding procedures for gasoline models - see Sections Removal and installation of the fuel pump ,...