BMW 5 series E39

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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
Electric equipment schemes
System of onboard diagnostics





Cars BMW of 5th series

In the given Management models BMW of 5th series with in-line six-cylinder petrol engines (DOHC) 2.0, 2.3 and 2.8 l, release with 12/95 г and the turbodiesel engine (SOHC) 2.5 l are considered, release since 3/96 the selected data (technical characteristics, the adjusting data, schemes of an electric equipment, procedure of service and operation questions) on models with V-shaped 8-cylinder engines of 3.5 and 4.4 l Besides, are presented.

The independent aluminium forward suspension bracket is executed on double levers with a beam connected with a body through rubber support, racks the Poppy-fersona, screw springs and gas-filled shock-absorbers. The forward beam through cross-section levers and draughts is connected with rotary support. Hydraulic опирание cross-section levers provides indemnification of fluctuations even at not balanced wheels. The stabilizer of cross-section stability is established.

The multilever aluminium back suspension bracket with a stretcher provides a double elastic suspension bracket of the main transfer. Four cross-section levers are elastically connected with a stretcher. The stretcher also is elastically connected with a body.

The brake system consists of disk mechanisms on all wheels. Additional drums of a lay brake are established on back wheels. The brake amplifier is applied on cars with the petrol engine. The hydrosystem is divided into two contours - one contour of the forward brakes, the second - back. Distribution of effort of braking is carried out by antiblocking system (ABS). The system of automatic stabilisation of the stability, added with a regulator of traction effort of the engine (ASCT), provides the maximum stability of the car on road.

For driving the steering zubchato-reechnogo type with the hydraulic booster which factor of strengthening depends on number of turns of the engine serves. On some models hydraulic booster Servotronic which factor of strengthening depends on speed of movement is established. The pillow of safety of the driver is located in a steering wheel.

In the car can be established 5 or a 6-step manual box of a gear change (Manual transmission), either 4 or 5-step automatic transmission with adaptive system of elektronno-hydraulic management (AGS). System Steptronic, allowing to choose transfers manually, is established on some models.

Arc xenon headlights provide fine visibility of a road cloth.














[The device, service, repair of the BMW of 5 series Е39 1996-2001//]