- Home
- BMW 5 Series
- E12
- Power unit
- Supply system
BMW 5 Series E12 car engine power system
Power System Specifications
Fuel tank The fuel tank is stamped from sheet steel. It is installed at the rear right under the bottom of the luggage compartment. Fuel tank capacity, l:...
Fuel tank The fuel tank is stamped from sheet steel. It is installed at the rear right under the bottom of the luggage compartment. Fuel tank capacity, l:...
Carburetor Specifications
Design features of carburetors depending on the chassis number of the vehicle "518" Until May 1975, the Solex 38 PDSI carburettor with falling flow. Marking:...
Design features of carburetors depending on the chassis number of the vehicle "518" Until May 1975, the Solex 38 PDSI carburettor with falling flow. Marking:...
Engine fuel system parts
BMW Engine Fuel System Parts "518", "520", "525", "528": 1 - filter; 7 — separator. Fuel injection engine fuel system details BMW "520i": 1 - fuel filter; 18 -...
BMW Engine Fuel System Parts "518", "520", "525", "528": 1 - filter; 7 — separator. Fuel injection engine fuel system details BMW "520i": 1 - fuel filter; 18 -...
Fuel Pump — General Information
The mechanical fuel pump is mounted on the side of the cylinder head and is driven by a tappet from the camshaft cam. The BMW 520i uses an electric fuel pump,...
The mechanical fuel pump is mounted on the side of the cylinder head and is driven by a tappet from the camshaft cam. The BMW 520i uses an electric fuel pump,...
Disassembling the mechanical fuel pump of BMW «525», «528» engines
The BMW "525" and "528" engines have a disassemblable fuel pump. The design of the electric fuel pump of the BMW "520i" engine and the mechanical fuel pump of...
The BMW "525" and "528" engines have a disassemblable fuel pump. The design of the electric fuel pump of the BMW "520i" engine and the mechanical fuel pump of...
Checking the performance of a mechanical fuel pump
The performance of a mechanical fuel pump is determined by the length of the pushrod and the thickness of the heat-insulating gasket, taking into account the...
The performance of a mechanical fuel pump is determined by the length of the pushrod and the thickness of the heat-insulating gasket, taking into account the...
Checking the fuel pump discharge pressure
"518" Connect the test device as shown in the photo. If the vacuum created by the fuel pump is less than 0.5 kg/cm², replace the pump. With the engine off,...
"518" Connect the test device as shown in the photo. If the vacuum created by the fuel pump is less than 0.5 kg/cm², replace the pump. With the engine off,...
Flushing fuel filters on a car
Before partially disassembling the fuel system on a vehicle in order to flush the fuel filters, be sure to disconnect the wire from the negative terminal of...
Before partially disassembling the fuel system on a vehicle in order to flush the fuel filters, be sure to disconnect the wire from the negative terminal of...
Main parts of the Solex 38 PDSI carburetor
Main parts of the Solex 38 POSI carburetor: 1 - carburetor body; 2 — air jet of the mixture quality corrector; 4 - idle fuel jet; 8 - main air jet; 9 —...
Main parts of the Solex 38 POSI carburetor: 1 - carburetor body; 2 — air jet of the mixture quality corrector; 4 - idle fuel jet; 8 - main air jet; 9 —...
Main parts of the Solex 32/32 DIDTA carburetor with the index «E 17 386»
Main parts of the Solex 32/32 DIDTA carburetor with index "E 17 386": 1 - carburetor base; 2 — 1st chamber throttle valve stop screw; 4 - return spring; 6 —...
Main parts of the Solex 32/32 DIDTA carburetor with index "E 17 386": 1 - carburetor base; 2 — 1st chamber throttle valve stop screw; 4 - return spring; 6 —...
Main parts of the Stromberg 175 CDET carburetor
Main parts of the Stromberg 175 CDET carburetor: 1 - carburetor body; 2 — piston lift spring guide; 3 - pressure spring; 7 — throttle control lever; 12, 13,...
Main parts of the Stromberg 175 CDET carburetor: 1 - carburetor body; 2 — piston lift spring guide; 3 - pressure spring; 7 — throttle control lever; 12, 13,...
Cross section of Solex Zenith 35/40 INAT carburetor
Cross-section of the Solex Zenith 35/40 INAT carburetor: 6 — starting device air jet; 9 - main fuel jet; 11 — starting device supply tube; 12 — fuel jet of the...
Cross-section of the Solex Zenith 35/40 INAT carburetor: 6 — starting device air jet; 9 - main fuel jet; 11 — starting device supply tube; 12 — fuel jet of the...
Sectional view of Solex Zenith 35/40 INAT carburetor with auxiliary starting device
Sectional view of Solex Zenith 35/40 INAT carburetor with auxiliary starting device: 21 — auxiliary starting device fuel jet; 22 — auxiliary starting device...
Sectional view of Solex Zenith 35/40 INAT carburetor with auxiliary starting device: 21 — auxiliary starting device fuel jet; 22 — auxiliary starting device...
Engine fuel system diagram with Solex Zenith 35/40 INAT carburetor with auxiliary starting device
Scheme of the engine fuel system with a Solex Zenith 35/40 INAT carburetor with an auxiliary starting device: 1 - battery; 2 - ignition switch; 3 -...
Scheme of the engine fuel system with a Solex Zenith 35/40 INAT carburetor with an auxiliary starting device: 1 - battery; 2 - ignition switch; 3 -...
Solex Zenith 35/40 INAT carburetor body parts without auxiliary idle system
Solex Zenith 35/40 INAT carburetor body parts without auxiliary idle system: 1 - carburetor base; 2 - idle speed mixture quality (composition) adjustment...
Solex Zenith 35/40 INAT carburetor body parts without auxiliary idle system: 1 - carburetor base; 2 - idle speed mixture quality (composition) adjustment...
Carburetor cover parts Solex Zenith 35/40 INAT without auxiliary idle system
Carburetor cover details Solex Zenith 35/40 INAT without auxiliary idle system: 64, 109 - sealing gaskets; 65 - intermediate carburetor body assembly; 66 -...
Carburetor cover details Solex Zenith 35/40 INAT without auxiliary idle system: 64, 109 - sealing gaskets; 65 - intermediate carburetor body assembly; 66 -...
Solex Zenith 35/40 INAT carburetor body parts with auxiliary idle system
Solex Zenith 35/40 INAT carburetor body parts with auxiliary idle system: 1 - carburetor base; 2, 25, 69 - return springs; 3 - lever with a linkage; 4 - hinge...
Solex Zenith 35/40 INAT carburetor body parts with auxiliary idle system: 1 - carburetor base; 2, 25, 69 - return springs; 3 - lever with a linkage; 4 - hinge...
Solex Zenith 35/40 INAT Carburetor Cover Parts with Auxiliary Idle System
Solex Zenith 35/40 INAT carburetor cover parts with auxiliary idle system: 75, 90, 94, 133 — sealing gaskets; 76 - intermediate body assembly; 77 - 1st chamber...
Solex Zenith 35/40 INAT carburetor cover parts with auxiliary idle system: 75, 90, 94, 133 — sealing gaskets; 76 - intermediate body assembly; 77 - 1st chamber...
Solex Zenith 35/40 INAT carburetor body parts with auxiliary starting device
Solex Zenith 35/40 INAT carburetor body parts with auxiliary starting device: 1 - carburetor base; 2, 25, 69 - return springs; 3 - lever with a linkage; 4 -...
Solex Zenith 35/40 INAT carburetor body parts with auxiliary starting device: 1 - carburetor base; 2, 25, 69 - return springs; 3 - lever with a linkage; 4 -...
Solex Zenith 35/40 INAT Carburetor Cover Parts with Auxiliary Starter
Solex Zenith 35/40 INAT carburetor cover parts with auxiliary starting device: 75, 128, 133, 147 — sealing gaskets; 76 - intermediate carburetor body; 77 -...
Solex Zenith 35/40 INAT carburetor cover parts with auxiliary starting device: 75, 128, 133, 147 — sealing gaskets; 76 - intermediate carburetor body; 77 -...
Pierburg 4A1 Carburetor Cover Parts
Pierburg 4A1 carburetor cover details: 32 - float; 33 - float axis; 34 - bracket; 35 - float chamber needle valve with clamp; 69 - Carburetor chamber cover...
Pierburg 4A1 carburetor cover details: 32 - float; 33 - float axis; 34 - bracket; 35 - float chamber needle valve with clamp; 69 - Carburetor chamber cover...
Pierburg 4A1 carburetor body parts
Pierburg 4A1 carburetor body parts: 1 - carburetor base; 2 - bushing; 3, 5, 37, 45 - levers; 4, 65 - return springs; 6, 20a, 48 - washers; 7, 58 - toothed...
Pierburg 4A1 carburetor body parts: 1 - carburetor base; 2 - bushing; 3, 5, 37, 45 - levers; 4, 65 - return springs; 6, 20a, 48 - washers; 7, 58 - toothed...
Main parts of the Solex Zenith 2B4 carburetor
Main parts of the Solex Zenith 2B4 carburetor: 1 - carburetor base; 20 — 2nd chamber throttle control lever with stop screw; 24 — auxiliary starting device...
Main parts of the Solex Zenith 2B4 carburetor: 1 - carburetor base; 20 — 2nd chamber throttle control lever with stop screw; 24 — auxiliary starting device...
Maintenance of the Solex 38 PDSI carburetor
Adjusting the air damper drive Remove the air filter. After unscrewing screw 1 (see photo), disconnect the air damper control rod. Adjust the length of the...
Adjusting the air damper drive Remove the air filter. After unscrewing screw 1 (see photo), disconnect the air damper control rod. Adjust the length of the...
Maintenance of the Solex 32/32 DIDTA carburetor
Operating principle of the automatic starting device The operating principle of the automatic starting device is based on the supply of current to the screen...
Operating principle of the automatic starting device The operating principle of the automatic starting device is based on the supply of current to the screen...
Maintenance of the Stromberg 175 CDET carburetor
See the picture " Main parts of the Stromberg 175 CDET carburetor ". Adjusting the automatic starting device and fast idle speed Adjustment of the starting...
See the picture " Main parts of the Stromberg 175 CDET carburetor ". Adjusting the automatic starting device and fast idle speed Adjustment of the starting...
Maintenance of carburetor Solex Zenith 35/40 INAT
Synchronization of carburetors Synchronization of carburetors is performed on a warm engine and with the automatic starting device turned off. Remove the plugs...
Synchronization of carburetors Synchronization of carburetors is performed on a warm engine and with the automatic starting device turned off. Remove the plugs...
Synchronization of Solex Zenith 35/40 INAT carburetors without auxiliary idle system
Install the 13 0 000 air filter simulator. Disconnect connecting rod 2 (see photo). Connect the device for synchronizing carburetors 13 0 500. Synchronize the...
Install the 13 0 000 air filter simulator. Disconnect connecting rod 2 (see photo). Connect the device for synchronizing carburetors 13 0 500. Synchronize the...
Checking and adjusting the auxiliary starting device of the Solex Zenith 35/40 INAT carburetor
Remove the air filter. Tighten the adjusting screw 24 (see photo) of the mixture quality (composition) until it lightly touches, then turn it out 2.5 turns....
Remove the air filter. Tighten the adjusting screw 24 (see photo) of the mixture quality (composition) until it lightly touches, then turn it out 2.5 turns....
Adjusting the Pierburg 4A1 carburetor
Adjusting engine idle speed After completing the preparatory operations (see carburetor Solex Zenith 35/40 INAT ) using the adjusting screw 1 (see photo) of...
Adjusting engine idle speed After completing the preparatory operations (see carburetor Solex Zenith 35/40 INAT ) using the adjusting screw 1 (see photo) of...
Adjusting the Solex Zenith 2B4 carburetor
Adjusting the starting clearance of the air damper Remove the starter cover. Move the lever to the air damper pneumatic drive and check the air damper...
Adjusting the starting clearance of the air damper Remove the starter cover. Move the lever to the air damper pneumatic drive and check the air damper...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Similar sections for other types of BMW cars:
6-cylinder engine: Supply system BMW 3 Series E21 (1975-1983)
Power unit: Supply system BMW 7 Series E32 (1986-1994)
Power unit: Fuel system BMW X3 E83 (2003-2010)
Diesel engine M57: Power and exhaust system BMW X5 E53 (1999-2006)
6-cylinder engine: Supply system BMW 3 Series E21 (1975-1983)
Power unit: Supply system BMW 7 Series E32 (1986-1994)
Power unit: Fuel system BMW X3 E83 (2003-2010)
Diesel engine M57: Power and exhaust system BMW X5 E53 (1999-2006)
Share information:
- General information
- Governing bodies
- Manual
- Maintenance
- Power unit
- Engine repair
- Lubrication system
- Cooling system
- Ignition system
- Supply system
- Injection system (gasoline)
- Injection system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Front axle
- Rear axle
- Chassis
- Steering
- Brake system
- Wheels and tires
- Body
- Interior
- Exterior
- Heating system
- Electrical equipment
- Equipment and devices
- Power devices
- Windscreen wipers
- Electrical circuits
- General information
- Manual
- Maintenance
- Power unit
- Engine repair
- Ignition system
- Engine lubrication system
- Cooling system
- Fuel system (gasoline)
- Fuel system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Front and rear suspension
- Steering
- Brake system
- Body
- Exterior
- Interior
- Electrical equipment
- Heating system
- Equipment and devices
- Power devices
- Electrical circuits
- General information
- Manual
- Maintenance
- Power unit
- Engine in a car
- Engine overhaul
- Cooling system
- Supply system
- Ignition system
- Control system
- Transmission
- Clutch
- Manual gearbox
- Automatic gearbox
- Transmission line
- Chassis
- Steering
- Front suspension
- Rear suspension
- Brake system
- Body
- Body elements
- Car care and painting
- Electrical equipment
- Heater and air conditioner
- Equipment and devices
- Starter and generator
- Electrical circuits
- General information
- Operation and maintenance
- Specifications
- Power unit
- Engine repair
- Cooling and lubrication system
- Supply system
- Ecotronic power supply system
- Fuel injection system
- Ignition system
- Transmission
- Clutch
- Gearbox BMW 242/4
- Gearbox Getrag 262/8
- Gearbox Getrag 265/6
- Automatic gearbox
- Cardan gear
- Rear axle
- Chassis
- Steering
- Front suspension
- Rear suspension
- Brake system
- Electrical equipment
- Equipment and devices
- Electrical circuits

