BMW 3 series E46

Since 1998 of release

Repair and car operation



The BMW of 3 series Е46
+ Cars BMW 3 (Е46)
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
- Engine electric equipment
   The general information and security measures
   + System of electronic control by ignition and injection of the petrol engine
   + Ignition system
   + System of preheat of the diesel engine
   - Charge and start systems
      The general information on system
      The battery - the basic data and leaving
      Removal and installation of the storage battery
      Check of the storage battery
      The generator. The general data and security measures
      Removal and generator installation
      Check and replacement of brushes of the generator / of a regulator of pressure
      Removal and installation, starter check
      Removal, installation and check of the traction relay of a starter
+ РКПП and трансмиссионная a line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electric equipment schemes





Removal and installation, starter check

Starter elements

1 — a starter
2 — the electromagnetic actuator
3 — a gear wheel with обгонной муфтой
4 — the gear wheel lever

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


Starter check

To check up a starter at full pressure of the battery, it is necessary to connect plugs “30” (the big plug) and “50” (the small plug near to big) a cable to cross-section section a minimum 4.0 мм2. If now the starter works faultlessly, it is necessary to check up wires to a starter. If the starter does not turn, it should be removed and checked up.

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

Removal and starter installation

The starter settles down sideways at a joint of the block of cylinders with РКПП and acts in film downwards.

 REMOVAL

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

As a result of switching-off of the storage battery the data from memory of malfunctions of some monitors is erased. If necessary before battery switching-off it is necessary to consider the given memories of malfunctions. Address to Section Diagnostics of malfunctions. Work it is desirable to spend HUNDRED in conditions.

2 Close negative полюсбатареи to exclude possibility of casual contact.

Lifting and car installation on supports are dangerous! Therefore preliminary familiarise with Razdelom Poddomkrachivanie and towage

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

Observe resulted below a security measure. Separation of fuel hoses is described in Section Removal and installation of injectors.

- Near to a workplace do not smoke, do not use open fire and heated or very hot subjects. There is a danger of occurrence of a fire! Keep in readiness the fire extinguisher.
- Watch necessarily good ventilation of a workplace. Fuel steams are poisonous.
- The fuel system is under pressure. At system opening there can be a fuel emission. Wipe fuel a rag. Carry goggles.


6 Disconnect wires:

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

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

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

9 Check up a gear wheel of a starter and a gear wreath on presence of damages.


 INSTALLATION

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

Lay wires just as before removal. Watch that. That they did not rub about adjoining designs.

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