The device, service, repair of BMW 3 of the E46 series since 1998 - Removal and installation of the battery//

BMW 3 of the E46 series

since 1998 release

Repair and operation of the car



BMW 3 of the E46 series
+ BMW 3 Cars (E46)
+ Current leaving and service
+ Engine
+ 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
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment


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Removal and installation of the battery

The battery is in a luggage compartment behind a cover on the right side. At cars 316i, 318i the battery is located in a motive compartment.

Owing to shutdown of the battery the memories given electronic blocks can be lost:

- These memories of malfunctions in a monitor by the engine, and also in other electronic monitors are erased.
- Control of hours and data of the computer is lost.
- New initialization of the movable panel of a roof is required, address to the Section Replacement of an Element of the Filter of Air of Salon.


 REMOVAL

1 Switch off ignition.

2 Models 320i, 323i, 328i: Take out a floor covering of a luggage compartment. Turn a screw-driver on 90 ° clips and take out a cover.

3 The socket for a positive cable at the battery is closed by a level. Cast away it.

4 Disconnect at first the negative (-)-1-, and then positive (+)-2 cables of the battery.

5 Models 320i, 323i, 328i: Turn off bolts of fastening-3-and remove a collar.

6 Models 316i, 318i: Turn off bolts of fastening-3-and remove a collar. Take out a casing of the positive socket-4-and a casing of the battery. 1 – negative cable.

7 Cast away the handle and take out the battery.

The battery contains poisonous components which cannot be utilized together with household waste.


 INSTALLATION

Before installation and connection of the battery be convinced that ignition is switched off.

8 Models 320i, 323i, 328i: Install the battery so that poles specified towards a wing.
9 Models 316i, 318i: Install the battery so that poles specified towards the direction of the movement.
10 Models 316i, 318i: Establish a battery casing.
11 Establish and fix a collar.
12 Fix on poles positive (+), and then negative (-) cables.

Watch correctness of connection of cables and purity of contacts. High transitional resistance conducts, in particular at start, to an overload of electronic monitors and as a last resort can lead to their destruction.

13 Insert a cover of a positive pole.
14 Models 320i, 323i, 328i: Insert a plastic cover into a lateral casing. Insert clips and fix them turn on 90 °. Insert a floor covering of a luggage compartment.
15 Establish hours.
16 Initialize the movable panel of the hatch of a roof, address to the Section Replacement of an Element of the Filter of Air of Salon.