BMW 3 series E46

Since 1998 of release

Repair and car operation

Onboard electric equipment

Specifications

Separate characteristics are resulted also in the text of the Head and in case of compulsion of their performance are allocated by a bold type

Arrangement of electronic blocks of management of car systems on a body

Lamps накаливания 12 In	Type	Capacity, Vt
Passing light	Н7	55
Headlight	Н1	55
Signals of turn lobbies	Р	21
Parking light forward	W	5
Antifog headlight a lobby	НВ4	55
The lateral repeater of turn	W	5
Signal of turn the back	P	21
Stop-signal a lantern	Р	21/4
Backing lantern	Р	21
Back foggy lantern	Р	21
Licence plate illumination	С11	5
Additional stoplight	Light-emitting diode рейка1)
Internal illumination	Spotlights	5
Lamp of illumination of reading	XE	6
Illumination of area of feet, pocket	Spotlights	5
Illumination of a luggage carrier / of an impellent compartment	Spotlights	10
Illumination of a cosmetic mirror	Spotlights	10
1) At failure of one light-emitting diode all stoplight is subject to replacement.

Boxes of the relay and safety locks

Depends on the equipment of the car and year of its release. The scheme of an arrangement of safety locks is in a ware box under a payment of safety locks.

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Arrangement of safety locks

Arrangement of a box of the relay behind a ware box

1 — the relay of the fuel pump; 2 — the relay of the fan of a heater	3 — the relay of antifog headlights 4 — the relay of sound signals

Relay box in an impellent compartment. The model 320d with the removed cover is shown

1 — the main relay DDE (320d) The relay of coils of ignition, the plug 15 (320i, 323i, 328i). 2 — a monitor of preliminary heat (320d) The main relay DDE (all petrol engines)	3 — the screen wiper relay

Colour marks of safety locks

Current, And	Colour marks
5	Light brown
7.5	The brown
10	The red
15	Dark blue
20	The yellow
30	The green

Efforts of a tightening of carving connections

The moments of an inhaling of fixture are resulted also in the text of the Head and on some иллюстрациях*.

*Выделенные in the text a bold type the inhaling moments are subject to exact observance; the efforts not allocated with a bold type are resulted only roughly

Cars of the given mark are equipped 12 In system of an electric equipment with grounding on a negative pole. A food of all lighting devices and electric units is carried out from the battery of lead-acid type recharged from the generator of an alternating current.

The given Chapter is devoted the description of procedures of service and repair of some components of system of an onboard electric equipment which number all lighting devices and the electric accessories not connected directly with the engine concern except concrete considered more low also. Besides, procedures of diagnostics of malfunctions of an electric equipment of the general order are considered.

At performance of any works on repair and service of components of system of an electric equipment it is necessary to disconnect preliminary without fail a negative wire from the battery in order to avoid electrotrauma and-or ignition reception.