BMW 3 of the E46 series
+ BMW 3 Cars (E46)
+ Current leaving and service
+ Cooling systems, heating
+ Power supply systems, injection and release
- Electric equipment of the engine
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 battery
Check of the 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
+ Onboard electric equipment
+ Schemes of electric equipment
Removal and installation, check of a starterStarter elements
1 — a starter
2 — the electromagnetic actuator
3 — a gear wheel with the obgonny coupling
4 — the gear wheel lever
5 — a rotor
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 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.
1 Disconnect a negative cable (-) of the battery at the switched-off ignition. The battery is in a luggage compartment behind a cover on the right side. At BMW 316i, 318i cars the battery settles down in a motive compartment.
As a result of shutdown of the 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 to the Section Diagnostics of Malfunctions. Work it is desirable to carry out HUNDRED in conditions.
2 Close negative polyusbatare to exclude possibility of casual contact.
3 Lift and install the car on supports. Remove the lower cover of a motive compartment, address to 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 do not smoke, do not use naked flame and the heated or very hot subjects. There is a risk of fire! Keep in readiness the fire extinguisher.
- Watch surely good ventilation of a workplace. Fuel couples are poisonous.
- The fuel system is under pressure. When opening system there can be a fuel emission. Wipe fuel a rag. Wear goggles.
6 Disconnect wires:
1 – the plug 30, a thick wire directly from a positive pole of the 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 a manual check point by means of the corresponding extender.
8 Take out a starter from a flange of a check point back and remove it down.
9 Check a gear wheel of a starter and a gear wreath for existence of damages.
10 Establish into place a starter and fix its moment 50 N • m.
11 Join electric wires and fix them on the plug 30 the moment of 12 N • m, and on the plug 50 the moment of 6 N • m.
Lay wires just as before removal. Watch that. That they did not rub about adjacent designs.
12 Models 316i, 318i, 320i, 323i, 328i: Connect fuel hoses and fix and in the holder. Execute fastening by means of new collars. Apply sealing rings also new, address to 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 to the Section Removal and installation of the lower cover of a motive compartment.
15 Attach a negative cable (-) of the battery at the switched-off ignition. Establish hours.