E46 series BMW 3

since 1998 of release

Repair and car operation

Onboard electric equipment

Specifications

Separate characteristics are provided also in the text of Head and in case of obligation of their performance are allocated with a bold print

Arrangement of electronic control units car systems on a body

Filament lamps 12 B	Type	Capacity, W
Passing beam	Н7	55
Driving beam	Н1	55
Turn signals lobbies	R	21
Parking light forward	W	5
Fog light forward	НВ4	55
Lateral repeater of turn	W	5
Turn signal the back	P	21
Stoplight / back lamp	R	21/4
Backing lamp	R	21
Back foggy lamp	R	21
Illumination of registration plate	С11	5
Additional stoplight	light-emitting diode рейка1)
Internal lighting	spotlights	5
Lamp of illumination of reading	XE	6
Illumination of the region of feet, pocket	spotlights	5
Illumination of a luggage carrier / 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 fog lights 4 — the relay of sound signals

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

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

Color marking of safety locks

Current, And	Color marking
5	The light brown
7.5	The brown
10	The red
15	The dark blue
20	The yellow
30	The green

Efforts of a tightening of carving connections

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

*vydelenny in the text a bold print the moments of an inhaling are subject to exact observance; the efforts not allocated with a bold print are given only roughly

Cars of this brand are equipped 12 In electric equipment system 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.

This Head is devoted to the description of procedures of service and repair of some components of system of onboard electric equipment to which number all lighting devices and the electric accessories not connected directly with the engine belong except concrete considered below also. Besides, procedures of diagnostics of malfunctions of electric equipment of the general order are considered.

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