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
   + The power supply system
   - System of injection of the petrol engine
      Memory of malfunctions
      Security measures and rules of observance of cleanliness at work with injection system
      Work of system of injection
      Check of systems of ignition and injection
      Adjustment of a drive of gas
      Removal and installation of a branch pipe throttle заслонки
      Removal, check and installation of the valve of adjustment of idling
      Check, removal and installation of the gauge of temperature
      Check of injectors
      Removal and installation of injectors
   + The power supply system of the diesel engine
   + System of release of the fulfilled gases
+ 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



Memory of malfunctions

The management block reveals malfunctions in injection and ignition system, as for example, failure of gauges, a detachment of tips or негерметичность contacts. The specified malfunctions are registered at once in memory. Simultaneously on the panel of devices the control lamp lights up, specifying that malfunction is written down in memory. If malfunction appears only once, for example at bad contact, the control lamp dies away again, but malfunction registers in memory. The data specifying in frequency of occurrence of malfunctions Besides, registers. HUNDRED firms BMW by means of the control device attached to the tip of diagnostics (on the right in an impellent compartment), read out malfunctions and eliminate them.

If the engine or injection system work is faulty, it is recommended to consider first of all the data from the block of memory of malfunctions. The list of malfunctions can print HUNDRED. For this purpose the reading out electronic device joins the car.

All variants DME have work emergency operation: if the gauge fails, the management block continues work, using average value of controllable parametre of the corresponding gauge. At failure of a measuring instrument of weight of air the block of management for measurement of giving of fuel as the base accepts the data of gauges of position throttle заслонки and numbers of turns of the engine. This variant of management joins automatically and is not displayed on the panel of devices. Movement proceeds, dynamic characteristics worsen a little, but is imperceptible for the driver. Malfunction is registered by the management block. Therefore it is recommended periodically, for example at the control of structure of the fulfilled gases, to read out contents of memory of malfunctions even if the outer defect is not shown.

At switching-off of the storage battery or as a result of undocking штекерного connections at the management block all malfunctions in memory are erased.