Diesel engine power and exhaust system BMW X5 E53

Engine power supply — general information
When working on the fuel system of a diesel engine, safety precautions, special cleanliness and caution must be observed, which are similar to those when...

Air supply system — general information
The air supply system is designed to supply air to the combustion chamber in the amount required by the engine at a given power mode, while maintaining...

Fuel Supply System — General Information
The basic diagram of the fuel supply system is shown in Figure 6.16 and is designed to supply such a quantity of fuel to the combustion chamber that ensures...

Vacuum pump — design description
To ensure the operation of the engine control automation (recirculation and turbocharging system), and also the brake system booster requires a vacuum, which...

Exhaust system — design description
The exhaust system includes an exhaust manifold, a turbocharger (TC), a three-way catalytic converter, extinguishers, an exhaust gas recirculation system,...

Exhaust gas neutralization system
The exhaust gas neutralization system is designed to reduce the toxicity of exhaust gases by directing part of the exhaust gases into the intake manifold –...

Troubleshooting the COMMON-RAIL system at low pressure
Troubleshooting the system "Common-Rail" at low pressure, when the engine does not start, carry out according to the table below. First, you need to make sure...

Replacing the air filter element
The replacement of the air filter element must be carried out in the following order. Remove the soundproofing casing and disconnect the rods from the shock...

Replacing the air flow meter
Attention! Before replacing the air flow meter, read the information from the fault memory of the DDE system ECU and eliminate them. The air flow meter (AFM)...

Replacing the vacuum pump
Attention! To avoid burns from vapors, all work must be performed only on a cold engine. The engine vacuum pump must be replaced in the following order. Remove...

Replacing the fuel level indicator sensor
Attention! Ensure adequate exhaust ventilation and cleanliness of the workplace. Prevent damage to seals. The fuel hoses are under pressure. Do not allow the...

Replacing the fuel filter
The fuel filter must be replaced in the following order. Turn off the ignition and protect the generator from contamination. Remove the left lower cover and...

Replacing the fuel pump
Replacement of the main (additional) fuel pump must be carried out in the following order. Turn off the ignition, unscrew the fastening of the tank protection...

Replacement of pressure pipelines
Attention! After disconnecting the pressure pipes, be sure to plug the holes of the injectors and the high-pressure accumulator with special plugs-caps. Do not...

Replacing the pressure pipeline between the high-pressure fuel pump and the hydraulic accumulator
Attention! The pressure pipeline between the high-pressure pump and the hydraulic accumulator is disposable. Replacement of pressure pipeline (6, see Fig....

Cleaning the fuel system of a diesel engine
Attention! If a vehicle with a diesel engine is accidentally refueled with gasoline, starting the engine is strictly prohibited. Cleaning the fuel system of a...

Replacing the high pressure pump (HP)
Attention! Protect the generator from contamination. After disconnecting the pipes and hoses, close the resulting holes with special caps. The position of the...

Checking the high pressure pump (HP)
Caution! Protect the generator from contamination. To prevent the engine from starting during the test, disconnect the camshaft position sensor CV joint. After...

Replacing the pressure regulator on the hydraulic accumulator
Caution! Collect and dispose of leaking fuel. It is prohibited to remove and install the pressure regulator without using a tool. The pressure regulator is...

Checking the fuel supply pressure
Attention! Check the fuel supply pressure in the engine mode - idle. Dispose of any leaking fuel. The fuel supply pressure must be checked in the following...

Checking the fuel return pressure
Attention! Check the fuel supply pressure in idle mode. The fuel supply pressure must be checked in the following order. Prepare the devices "13.6.030" and...

Removal and installation of injectors
Caution! Protect the generator from contamination. After disconnecting the pressure pipes, it is necessary to seal the holes of the injectors and pipes with...

Replacing drain pipes
Replacement of drain pipes and leaked fuel must be carried out in the following order. Remove the intake manifold and read information from the fault memory of...

Cleaning the injector channel
Cleaning of injector installation channels must be carried out in the following order. Prepare the devices "13.5.210", "13.5.214" and "13.5.215" and protective...

Replacing the exhaust manifold
The exhaust manifold must be replaced in the following order: Remove the exhaust system and TC. Unscrew the bolts along the line (1, Fig. 6.156) and remove the...

Replacing the exhaust system
The design of the exhaust system elements is shown in Figure 6.19. The exhaust system of the M57TU engine has a particulate filter (fig. 6.157). Attention! All...

Replacing the neutralizer with the exhaust pipe
Attention! To avoid burns, all work on replacing the exhaust pipe must be carried out on a cold engine. Replacement of the neutralizer with the exhaust pipe...

Replacing the rear muffler
Replacing the rear muffler (11 or 12, see Fig. 6.19) must be carried out in the following order. Prepare the device "00.2.210" (pipe cutter). Measure the...

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BMW E53 (1999-2006)