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E39 series BMW 5

since 1996-2001 of release

Repair and car operation


E39 BMW
+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
- Engine electric equipment
   - Ignition system
      Security measures at work with ignition system
      Removal and installation of the coil of ignition
      Removal and installation of the sensor of a detonation
      Check and replacement of the sensor of impulses
      Removal and installation of the tip of a spark plug
      Removal and DME control unit installation
      Spark plugs
   + System of preheat of the diesel engine
   + charge and start Systems
+ 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

Heavy Metal & Reflected

Removal and installation of the coil of ignition

Coils of ignition can be checked by an ohmmeter. However exact check should is carried out by means of an oscillograph in the conditions of repair trucks. Such check allows to establish the reasons of malfunctions in ignition system.

 REMOVAL

1. Switch off ignition.

2. Remove caps of bolts of fastening and unscrew two bolts.

3. Remove covers of butterdishes and a cover of a head of cylinders.

4. Disconnect tips from each candle. For this purpose pull upward a metal stopper.

5. Unscrew two bolts of fastening at each coil of ignition. Take out coils.

Pay attention to a plate of weight of a cover of a head of cylinders at cylinders 1 and 6.

6. Pay attention to a plate of weight of mine of a cable between cylinders 2 and 3, if a cover of a head of cylinders the metal. If a cover plastic, pay attention to a cable of weight (1) at a connecting plate (2), address to an illustration. Cables at assembly should be laid on the former places.

 CHECK

1. On an illustration the tip of one of ignition coils is shown.
Attach an ohmmeter between plugs 1 and 15 and measure resistance of primary winding. It should make about 0.8 Ohm.

Resistance of a secondary winding (between spark plug connection, the plug 4 and weight connection) is not measured.

2. Replace tips of spark plugs, address to the Section Removal and installation of the tip of a spark plug.


INSTALLATION

1. Insert ignition coils with tips and fix metal clips.
2. Establish facing of a head of cylinders. Put covers of butterdishes.