- Home
- BMW 3 Series
- E46
- Power unit
- Fuel and exhaust system
Fuel and exhaust system of the car BMW 3 Series E46
Technical data
Control system type 4-cylinder 16-valve engine N42 - ME9 4-cylinder engine M43TU - BMS46 6-cylinder engine M52TU - MS42 6-cylinder engine M54 - MS43 Fuel...
Control system type 4-cylinder 16-valve engine N42 - ME9 4-cylinder engine M43TU - BMS46 6-cylinder engine M52TU - MS42 6-cylinder engine M54 - MS43 Fuel...
Tightening torques for connections, Nm
Camshaft Position Sensor Bolt - 7 Coolant Temperature Sensor - 13 Crankshaft position sensor screw - 10 Exhaust Manifold Nuts*: M6 - 10 M7 - 20 M8-22 Front...
Camshaft Position Sensor Bolt - 7 Coolant Temperature Sensor - 13 Crankshaft position sensor screw - 10 Exhaust Manifold Nuts*: M6 - 10 M7 - 20 M8-22 Front...
General information and precautions
General information The fuel system consists of a fuel tank located at the rear under the car body, an electric fuel pump immersed in the fuel tank, a fuel...
General information The fuel system consists of a fuel tank located at the rear under the car body, an electric fuel pump immersed in the fuel tank, a fuel...
Air cleaner — removal and installation
Removal Engine N42 1. Remove the clips, lift the air intake shroud approximately 5 cm, and pull it away from the air cleaner and washer reservoir. 2. Unscrew...
Removal Engine N42 1. Remove the clips, lift the air intake shroud approximately 5 cm, and pull it away from the air cleaner and washer reservoir. 2. Unscrew...
Fuel tank — removal and installation
Removal 1. Disconnect the negative cable from the battery. 2. Before removing the tank, it is necessary to remove all remaining fuel from it. Since there is no...
Removal 1. Disconnect the negative cable from the battery. 2. Before removing the tank, it is necessary to remove all remaining fuel from it. Since there is no...
Fuel system expansion tank — removal and installation
Removal 1. Raise the right rear side of the car and support it. Remove the rear right wheel. 2. Remove the rear right wing poker (see paragraph 23 of chapter...
Removal 1. Raise the right rear side of the car and support it. Remove the rear right wheel. 2. Remove the rear right wing poker (see paragraph 23 of chapter...
Accelerator cable — removal, installation and adjustment
Removal 1. Unscrew the two screws and remove the plastic cover from the throttle body (Fig. 5.1). 2. Use pliers to squeeze the edges of the rubber retainer on...
Removal 1. Unscrew the two screws and remove the plastic cover from the throttle body (Fig. 5.1). 2. Use pliers to squeeze the edges of the rubber retainer on...
Accelerator pedal — removal and installation
Attention! If you had to remove the accelerator pedal, it will have to be replaced. When removing the pedal, its fastening parts will be damaged. This will...
Attention! If you had to remove the accelerator pedal, it will have to be replaced. When removing the pedal, its fastening parts will be damaged. This will...
Fuel injection system — general information
1. All models are equipped with an engine management system that controls all fuel injection and ignition functions. The "brain" of the system is the...
1. All models are equipped with an engine management system that controls all fuel injection and ignition functions. The "brain" of the system is the...
Fuel System — Pressure Relief and Initial Fill
Pressure relief 1. Remove the fuel pump fuse from the fuse box. This fuse is located in the main fuse box in the glove box on the passenger side. The fuse...
Pressure relief 1. Remove the fuel pump fuse from the fuse box. This fuse is located in the main fuse box in the glove box on the passenger side. The fuse...
Fuel pump and fuel level sensors — removal and installation
Removal 1. There are two fuel level sensors installed in the fuel tank - on the left and right sides of the tank. The fuel pump is combined with the right...
Removal 1. There are two fuel level sensors installed in the fuel tank - on the left and right sides of the tank. The fuel pump is combined with the right...
Fuel system — checking and adjustment
Examination 1. If a fault has occurred in the fuel injection system, first of all check the reliability of the electrical connections and the absence of...
Examination 1. If a fault has occurred in the fuel injection system, first of all check the reliability of the electrical connections and the absence of...
Throttle body — removal and installation
Engine M43TU Note: When installing, it is necessary to replace the gasket under the throttle body. Removal 1. Disconnect the negative battery cable. 2. Loosen...
Engine M43TU Note: When installing, it is necessary to replace the gasket under the throttle body. Removal 1. Disconnect the negative battery cable. 2. Loosen...
Fuel system components — removal and installation
Electronic control unit 1. Disconnect the negative battery cable. Note: Disconnecting the battery will erase all fault codes from the ECU memory. It is...
Electronic control unit 1. Disconnect the negative battery cable. Note: Disconnecting the battery will erase all fault codes from the ECU memory. It is...
Collectors — removal and installation
Upper section of the intake manifold Engine M43TU Note: Installation will require a new manifold gasket and new pressure control valve o-rings. 1. Turn off the...
Upper section of the intake manifold Engine M43TU Note: Installation will require a new manifold gasket and new pressure control valve o-rings. 1. Turn off the...
Exhaust system — removal and installation
Note: During installation, it will be necessary to replace the gaskets between the inlet pipe and the manifold, as well as the nuts securing the inlet pipe....
Note: During installation, it will be necessary to replace the gaskets between the inlet pipe and the manifold, as well as the nuts securing the inlet pipe....
Technical data of the emission control system
Tightening torques for connections, Nm Oxygen sensor to the exhaust system - 50
Tightening torques for connections, Nm Oxygen sensor to the exhaust system - 50
General information about the emission control system
1. All engines have a number of devices and functions that are designed to minimize harmful emissions into the atmosphere. The main ones are the engine...
1. All engines have a number of devices and functions that are designed to minimize harmful emissions into the atmosphere. The main ones are the engine...
Emission Control Systems — Replacement of Components
Crankcase ventilation control 1. The units of this system do not require special attention, except for periodic checking of the condition of the hoses....
Crankcase ventilation control 1. The units of this system do not require special attention, except for periodic checking of the condition of the hoses....
Catalytic Converter — General Information and Precautions
The catalytic converter is a simple and reliable device that does not require any maintenance, but there are several points that a car owner should know if he...
The catalytic converter is a simple and reliable device that does not require any maintenance, but there are several points that a car owner should know if he...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Similar sections for other types of BMW cars:
Power unit: Supply system BMW 5 Series E28 (1981-1988)
Power unit: Supply system BMW 7 Series E32 (1986-1994)
Power unit: Fuel system BMW X3 E83 (2003-2010)
M54 petrol engine: Supply system BMW X5 E53 (1999-2006)
Power unit: Supply system BMW 5 Series E28 (1981-1988)
Power unit: Supply system BMW 7 Series E32 (1986-1994)
Power unit: Fuel system BMW X3 E83 (2003-2010)
M54 petrol engine: Supply system BMW X5 E53 (1999-2006)
Share information:
- General information
- Manual
- Maintenance
- Power unit
- Engine repair
- Cooling system
- Power system (gasoline)
- Injection system (gasoline)
- Fuel system (diesel)
- Exhaust system
- Ignition system
- Charge and launch systems
- Transmission
- Car gearbox
- Clutch and drive shafts
- Chassis
- Brake system
- Suspension front and rear
- Steering
- Body
- Body care and repair
- Exterior
- Interior
- Electrical equipment
- Troubleshooting
- Lighting and signaling
- Equipment and devices
- Heater and air conditioner
- Electrical circuits
- General information
- Manual
- Repair on the road
- Weekly checks
- Maintenance
- Troubleshooting
- Power unit
- 4 cylinder engines
- 6 cylinder engines
- Engine overhaul
- Cooling and heating
- Fuel and exhaust system
- Starting and charging system
- Ignition system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Cardan and drive shafts
- Chassis
- Brake system
- Wheel suspension
- Steering
- Body
- Exterior
- Interior
- Electrical equipment
- Equipment and devices
- Electrical circuits
- General information
- Maintenance
- Power unit
- Engine repair
- Cooling system
- Ignition system
- Supply system
- Fuel injection system
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Front and rear axle
- Chassis
- Steering
- Brake system
- Body
- Exterior
- Interior
- Electrical equipment
- Heating system
- Equipment and devices
- Power devices
- Electrical circuits
- Power unit
- M10/M20 engine
- M40 engine
- Ignition system
- Lubrication system
- Cooling system
- Supply system
- Fuel injection
- Exhaust system
- Transmission
- Clutch
- Manual gearbox
- Front axle
- Rear axle
- Chassis
- Steering
- Brake system
- Body
- Exterior
- Interior
- Electrical equipment
- Heating system
- Equipment and devices
- Electrical circuits
- General information
- Specifications
- Operation and maintenance
- 4-cylinder engine
- Engine repair
- Cooling and lubrication system
- Supply system
- Ignition system
- 6-cylinder engine
- Engine repair
- Cooling and lubrication system
- Supply system
- Fuel injection system
- Ignition system
- Transmission
- Clutch
- 4-speed manual gearbox
- 5-speed manual gearbox
- Automatic gearbox
- Cardan and rear axle
- Chassis
- Steering
- Front suspension
- Rear suspension
- Brake system
- Electrical equipment
- Equipment and devices
- Electrical circuits