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Charging and starting systems BMW 7 Series E38
General information about the charging and starting system
General information The electrical system of the vehicles discussed in this Manual operates with voltage 12 V . The ground connection is through the negative...
General information The electrical system of the vehicles discussed in this Manual operates with voltage 12 V . The ground connection is through the negative...
Battery — general information, maintenance recommendations
The battery installed in the car consists of six cans, in which positive and negative plates (lamellas) are placed, immersed in a solution of sulfuric acid....
The battery installed in the car consists of six cans, in which positive and negative plates (lamellas) are placed, immersed in a solution of sulfuric acid....
Charging system — general information and safety precautions
The vehicles in question use an alternator. When installing additional electrical equipment, check that the generator capacity is sufficient to supply new...
The vehicles in question use an alternator. When installing additional electrical equipment, check that the generator capacity is sufficient to supply new...
Removal and installation the generator
When working with oil, fuel and coolant circuits, the generator must be protected from contamination. 1. Disconnect the negative cable from the battery. 2....
When working with oil, fuel and coolant circuits, the generator must be protected from contamination. 1. Disconnect the negative cable from the battery. 2....
Replacing the voltage regulator
Remove the generator (see section Removal and installation the generator ). Models with engines other than M57 1. Remove the voltage regulator cover fastener....
Remove the generator (see section Removal and installation the generator ). Models with engines other than M57 1. Remove the voltage regulator cover fastener....
Engine Starting System — General Information and Precautions
General information The sole purpose of the engine starting system is to ensure that the engine rotates at a speed sufficient to start it. The starting system...
General information The sole purpose of the engine starting system is to ensure that the engine rotates at a speed sufficient to start it. The starting system...
Removal and installation the starter
Below is a description for models with M51 and M52 engines. On models with other engines, removal and installation of the starter is similar. 1. Disconnect the...
Below is a description for models with M51 and M52 engines. On models with other engines, removal and installation of the starter is similar. 1. Disconnect the...
Replacing the traction relay
1. Remove the starter (see section Removal and installation the starter ). 2. Loosen the nut (1) and remove the cable lug (2). When tightening, do not allow...
1. Remove the starter (see section Removal and installation the starter ). 2. Loosen the nut (1) and remove the cable lug (2). When tightening, do not allow...
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: Charge and launch systems BMW 3 Series E46 (1998-2006)
Electrical equipment: Starter and generator BMW 5 Series E28 (1981-1988)
Power unit: Charge and launch systems BMW 3 Series E46 (1998-2006)
Electrical equipment: Starter and generator BMW 5 Series E28 (1981-1988)
Share information:
- General information
- Introduction to guide
- Manual
- Maintenance
- Power unit
- Engine M60/1, M60/2 (petrol)
- M62 engine (petrol)
- M57 engine (diesel)
- M67 engine (diesel)
- Cooling system
- Fuel system (petrol)
- Fuel system (diesel)
- Exhaust system
- Ignition and control systems
- Charge and launch systems
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Cardan and drive shafts
- Chassis
- Brake system
- Front suspension
- Rear suspension
- Steering
- Body
- Exterior
- Interior
- Electrical equipment
- Equipment and devices
- Lighting
- Heating and air conditioning
- Electrical circuits
- General information
- Care and maintenance
- Power unit
- Minor engine repair
- Engine overhaul
- Lubrication system
- Cooling system
- Ignition system
- Supply system
- Injection system (petrol)
- Injection system (diesel)
- Exhaust system
- Transmission
- Clutch
- Manual gearbox
- Automatic gearbox
- Cardan gear
- Rear axle and shafts
- Chassis
- Front suspension
- Rear suspension
- Steering
- Wheels and tires
- Brake system
- Body
- Body elements
- Electrical equipment
- Equipment and devices
- Electrical circuits

