BMW 5 Series E39
since 1996-2001 release
Repair and operation of the car
+ Maintenance instruction
+ Current leaving and service
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
- Automatic transmission
Removal and installation of automatic transmission
Adjustment of the drive of gear shifting
Check of level and replacement of oil of automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Onboard electric equipment
+ Schemes of electric equipment
+ System of onboard diagnostics
Efforts of tightening of threaded connections
The moments of an inhaling of fixture are given in the text of the Head and on some illyustratsiyakh*.
(Address also the Head "Governing bodies and methods of safe operation").
The car can be equipped with automatic 5-staged transmission. Automatic transmission has electronic and hydraulic management of gear shifting (so-called "EH" - management). It means that the system of hydraulics of AT has an electronic control unit which depending on speed and loading of the engine chooses the right time of gear shifting.
For optimum adaptation to individual characteristics of the driver and traffic conditions of AT has an adaptive control system (AGS). At the transfer choice the system along with various conditions, such as, movement uphill or downhill, with the trailer, on the flat road or faltering considers also management style. At the same time AGS analyzes movement of the accelerator pedal, speed, cross acceleration (movement on turn) and delay when braking.
On the basis of the obtained information the system defines type of the driver and classifies it under one of four programs which are available in a control system. Programs are divided into especially economic "XE" - the program, the E and S programs and into the sports XS program. The drivers inclined to pronounced sports management style install the selector of the choice of the mode in situation "4". On the flat road also additional winter program of the movement increasing coupling of the car with the road and stability of the movement is automatically connected.
Steptronic - system with AGS and step switching
Some models of the car are equipped with AT Steptronic control system. At the same time there is a short coulisse with step gear shifting. Such gear shifting is accepted in a car - and motorcycle sport.
In automatic equipment mode which at advance has only a step of "D" there is an automatic switching of five transfers by means of an adaptive control system. In the left coulisse the driver chooses transfers randomly. If it in the left path changes the mode with "D" to "M", then the established transfer is maintained. If he presses the selector forward in the + direction, the check point switches to higher transfer if in the - direction, then switches to lower transfer.
Contrary to manual switching of Steptronic is more comfortable and will exclude such mistakes at management as inadmissible switchings and inclusion to lower transfer at high turns of the engine. At dispersal without manual intervention of the driver the system before falling of speed of the engine automatically switches to higher step. At dispersal by means of a pedal kik-Down without inclusion by means of the selector surely occurs switching of transfer to minimum possible.
At the movement of the car without participation of the engine the Steptronic system automatically switches to the 3rd transfer to provide necessary effort of the engine at its connection.
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