BMW 3 Series E46

since 1998 release

Repair and operation of the car



BMW 3 Series E46
+ BMW 3 cars (E46)
+ Current leaving and service
+ Engine
+ Cooling systems, heating
+ Power supply systems, injection and release
- Engine electric equipment
   General information and security measures
   + System of electronic control by ignition and injection of the petrol engine
   + System of ignition
   + System of preheat of the diesel engine
   - Systems of a charge and start
      General information on system
      The battery - the main data and leaving
      Removal and installation of the rechargeable battery
      Check of the rechargeable battery
      Generator. General information and security measures
      Removal and installation of the generator
      Check and replacement of brushes of the generator / regulator of tension
      Removal and installation, check of a starter
      Removal, installation and check of the traction relay of a starter
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment





Removal and installation, check of a starter

Starter elements

1 — a starter
2 — the electromagnetic actuator
3 — a gear wheel with the obgonny coupling
4 — the gear wheel lever

5 — a rotor
6
7 — the holder of brushes
8 — plugs


Check of a starter

To check a starter at a full tension of the battery, it is necessary to connect the 30 plugs (the big plug) and "50" (the small plug near big) a cable to cross section at least 4.0 mm2. If now the starter works faultlessly, it is necessary to check wires to a starter. If the starter does not turn, it should be removed and checked.

Exact check is carried out at the test stand or an electrotechnical workshop.

Removal and installation of a starter

The starter settles down sideways at a joint of the block of cylinders with RKPP and is removed down.

 REMOVAL

1 Disconnect a negative cable (-) of the rechargeable battery at the switched-off ignition. The battery is in a luggage compartment behind a cover on the right side. At the BMW 316i, 318i cars the battery settles down in a motive compartment.

As a result of shutdown of the rechargeable battery data from memory of malfunctions of some monitors are erased. If necessary before shutdown of the battery it is necessary to consider these memories of malfunctions. Address the Section Diagnostics of Malfunctions. Work it is desirable to carry out HUNDRED in conditions.

2 Close negative polyusbatare to exclude a possibility of casual contact.

Rise and installation of the car on supports are dangerous! Therefore previously study Poddomkrachivaniye's Section and towage

3 Lift and install the car on supports. Remove the lower cover of a motive compartment, address the Section Removal and installation of the lower cover of a motive compartment.
4 Models 320d: Remove a noise isolation on the left side of the engine, under a starter for what turn off one bolt.
5 Models 316i, 318i, 320i, 323i, 328i: For improvement of access to the generator disconnect fuel hoses around a starter in places of their muftovy connections.

Observe the security measures given below. Separation of fuel hoses is described in the Section Removal and installation of injectors.

- Near a workplace you do not smoke, do not use naked flame and the heated or very hot objects. There is a risk of fire! You keep in readiness the fire extinguisher.
- You monitor surely good ventilation of a workplace. Fuel vapors are poisonous.
- The fuel system is under pressure. When opening system there can be a fuel emission. Wipe fuel with a rag. You wear goggles.


6 Disconnect wires:

1 – the plug 30, a thick wire directly from a positive pole of the rechargeable battery;
2 – the plug 50, from the ignition switch.

Mark wires that at assembly to attach them on former places.

7 Turn out bolts of fastening of a starter from outside the manual check point by means of the corresponding extender.
8 Take out a starter from a flange of the check point back and remove it down.

9 Check a gear wheel of a starter and a gear wreath for existence of damages.


 INSTALLATION

10 Establish into place a starter and fix by its moment 50 N • m.
11 Join electric wires and fix them on the plug 30 by the moment of 12 N • m, and on the plug 50 the moment of 6 N • m.

Lay wires just as before removal. You watch that. That they did not rub about adjacent designs.

12 Models 316i, 318i, 320i, 323i, 328i: Connect fuel hoses and fix also in the holder. Execute fastening by means of new collars. Sealing rings apply also new, address the Section Removal and installation of injectors.
13 Models 320d: Insert a noise isolation under a starter and fix it.
14 Establish the lower cover of a motive compartment, address the Section Removal and installation of the lower cover of a motive compartment.
15 Attach a negative cable (-) of the rechargeable battery at the switched-off ignition. Establish hours.