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BMW 5 series E39

Since 1996-2001 of release

Repair and car operation



BMW E39
+ Introduction
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ The power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Diagnostics of malfunctions of an onboard electric equipment - the general information
   Safety locks
   Fusible inserts
   Chain breakers (thermal relays)
   The relay
   Relay check
   Check of lamps накаливания
   Check of electric motors
   Check of electric switches
   Check of switches of lamps and electric motors
   Check of gauges
   Check of the electric motor of a screen wiper
   Stoplight check
   Check of a heater of back glass
   Removal and switch installation
   Removal and installation of the gauge of temperature
   Removal, installation and check of a sound signal
   Remote control initialization by the uniform lock
   Adjustment of range of light of headlights
   Removal and installation of the electric motor of adjustment of range of light
   Replacement of safety locks
   Arrangement of safety locks
   Illumination devices
   Replacement of lamps накаливания
   Removal and headlight installation
   Adjustment of headlights
   Removal and installation of a back lantern
   Monitors
   Removal and installation of the block of the panel of devices
   Replacement of lamps of the block of the panel of devices
   Removal and installation of the switch of signals of turn/screen wiper
   Removal and radio receiver installation
   Screen wiper
   Replacement of brushes of a screen wiper
   Removal, installation and adjustment snuffled стеклоомывателя
   Removal and installation of a drive of a screen wiper/cover
   Removal and installation of the electric motor of a screen wiper
   Check and pump replacement стеклоомывателя
   Work with electric schemes
+ Electric equipment schemes
+ System of onboard diagnostics



Chain breakers (thermal relays)

Thermal relays serve for protection of such components, as electric drives of lowering-podnimanija of glasses, door-locks and adjustment of position of head headlights. Chains some of breakers are placed in the assembly block of safety locks. Return of thermal relays to an initial condition on some models is carried out automatically, i.e. at overload occurrence in a chain the thermal relay is instantly disconnected, then, after cooling, reverts to the original state. If contour return into position does not occur, it is necessary to make its check immediately. Normal functioning of the thermal relay confirms serviceability of a contour. Some of breakers are equipped by buttons for manual compulsory return to an initial condition.