BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
7.1. Systems of ignition, preheat and engine management
7.1.1. Main data and security measures
7.1.2. Search of malfunctions - the general information and preliminary checks
7.1.3. Diagnostics of a control system of the engine
7.1.4. Replacement of candles and coils of ignition
7.1.5. Replacement of rotors of distributors of ignition
7.1.6. Replacement of candles of an incandescence
7.1.7. Removal and ECM installation
7.1.8. Replacement of sensors of a control system of the engine
7.2. Systems of a charge and start
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment



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7.1.4. Replacement of candles and coils of ignition

The description of replacement of spark plugs is provided in the Section Replacement of Spark Plugs of the Head Nastroyki and routine maintenance of the car. Below replacement of coils of ignition is described.

M52 and M52TU engines

 PERFORMANCE ORDER

  1. Remove the protection cover of coils of ignition.
  1. In execution option with separate coils of ignition separate their sockets.
  1. In execution option with rod coils of ignition separate their sockets and remove the coil the movement up.
  1. In execution option with separate coils of ignition turn out bolts of their fastening and remove coils. At installation fix crossing points of connection with weight.

M60 and M62 engines

 PERFORMANCE ORDER

  1. Remove a decorative cover of the engine.
  1. Remove caps on casings of coils of ignition, turn out nuts and remove casings.

At installation check a condition of laying of a casing and if necessary replace it.


  1. Separate sockets of coils of ignition.
  1. Give fixture of coils of ignition and remove them.
  1. At installation fix crossing points of connection with weight on coils of cylinders No. 3 and No. 6.

M73 engine

 PERFORMANCE ORDER

  1. Separate ignition coil sockets.
  1. Take out the plug
  1. Give nuts and remove the ignition coil.


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7.1.3. Diagnostics of a control system of the engine
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7.1.5. Replacement of rotors of distributors of ignition