BMW 5 Series E39

since 1996-2001 release

Repair and operation of the car



BMW E39
+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Cooling systems, heating
+ Power supply system and release
- Engine electric equipment
   + System of ignition
   + System of preheat of the diesel engine
   - Systems of a charge and start
      Removal and installation of the rechargeable battery
      The low-served rechargeable battery
      Check of the rechargeable battery
      Self-discharge of the rechargeable battery
      Charging of the rechargeable battery
      The generator - general information
      Security measures during the work with the generator
      Check of tension of charging of the generator
      Removal and installation of the generator
      Check and replacement of brushes of the generator and regulator of tension
      Starter
      Removal and installation of a starter
      Removal, check and installation of the electromagnetic traction relay
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment
+ System of onboard diagnostics





Systems of a charge and start

General information

All cars considered in this manual have the electric system working with tension of 12 Century. Connection of weight passes through the minus plug of the battery. The battery is in a motive compartment.

For start of the engine Marelli starter is used. The switch of a starter is a component of the switch of ignition and at inclusion excites the traction relay installed on a starter.

The installed generator depending on the engine calculated on the maximum current 80A or 110A is made by Valeo.

The generator is put in action from the crankshaft through multicostal maple a belt.

The lamp of control of charging which is built in the dashboard, indicates excellent job of electric equipment while the charge of the battery is normal.