Electrical equipment and devices of the car BMW 7 Series E38
BMW E38 vehicles are equipped with a 12 volt negative ground electrical system. All lighting fixtures and electrical units are powered by a battery recharged by an alternator.
This chapter describes maintenance and repair procedures for certain components of the on-board electrical system, which include, in addition to the specific components discussed below, all lighting fixtures and electrical accessories not directly related to the engine.
Onboard Electrical Specifications
Power and type of lamps used (12 V) Type // power (Tue) lamps in the headlights Until 09.1998, issue. H1, 55W Since 09.1998 issue. H7 55W Xenon headlight D2-S...
Power and type of lamps used (12 V) Type // power (Tue) lamps in the headlights Until 09.1998, issue. H1, 55W Since 09.1998 issue. H7 55W Xenon headlight D2-S...
Diagnostics of malfunctions of onboard electrical equipment
The procedures and codes for diagnosing electronic control systems are discussed in Chapter Engine Electrical Systems . A typical electrical circuit may...
The procedures and codes for diagnosing electronic control systems are discussed in Chapter Engine Electrical Systems . A typical electrical circuit may...
Fuses — purpose and location
On the vehicles in question, some of the fuses are placed in a mounting block located in the engine compartment. Fuse block in the mounting block in the engine...
On the vehicles in question, some of the fuses are placed in a mounting block located in the engine compartment. Fuse block in the mounting block in the engine...
Relay — appointment and replacement
To supply power or control signal to some of the electrical consumers in the vehicle (such as fuel injection system components, horn, starter motor, cooling...
To supply power or control signal to some of the electrical consumers in the vehicle (such as fuel injection system components, horn, starter motor, cooling...
Removal and installation of levers and brushes of screen wipers
Brushes 1. Bring the wipers to a vertical position. To do this, turn on the ignition and set the wiper switch to interval mode. When the windshield wipers are...
Brushes 1. Bring the wipers to a vertical position. To do this, turn on the ignition and set the wiper switch to interval mode. When the windshield wipers are...
Removal and installation of an arm of levers of a screen wiper
Bracket (complete) 1. Remove the air box and wiper arms (see Section Windshield wipers and washers ). 2. Fix the hood in the mounting position by detaching the...
Bracket (complete) 1. Remove the air box and wiper arms (see Section Windshield wipers and washers ). 2. Fix the hood in the mounting position by detaching the...
Checking and adjusting the angles of the wiper arms
The angle of the wiper arm on the windshield primarily determines the quality of glass cleaning in interval operation and at low vehicle speeds. For vehicles...
The angle of the wiper arm on the windshield primarily determines the quality of glass cleaning in interval operation and at low vehicle speeds. For vehicles...
Windshield washer jet adjustment
Adjustment on models with three nozzles A1 — 200 A2 — 400 B1, B2 — 400 C1, C2 — 450 D1 — 230 D2 — 350 E1 — 500 E2 — 350 F1 — 550 F2 — 350 Adjustment on models...
Adjustment on models with three nozzles A1 — 200 A2 — 400 B1, B2 — 400 C1, C2 — 450 D1 — 230 D2 — 350 E1 — 500 E2 — 350 F1 — 550 F2 — 350 Adjustment on models...
Removal and installation of sensors and antennas of auxiliary systems
Rain sensor 1. Remove an internal rear-view mirror. 2. Squeeze the sides of the cover, slide it up a little, pry up and remove the cover. Align the cap with...
Rain sensor 1. Remove an internal rear-view mirror. 2. Squeeze the sides of the cover, slide it up a little, pry up and remove the cover. Align the cap with...
Removal and installation of control units
Door control unit 1. Remove door trim (see chapter Body ). 2. Disconnect the connectors, remove the screws and remove the door control unit. Rear window...
Door control unit 1. Remove door trim (see chapter Body ). 2. Disconnect the connectors, remove the screws and remove the door control unit. Rear window...
Removal and installation of switches
Basically, to remove any switch, switch, or their block, you should squeeze it out of the panel and disconnect the connector. The following are unusual switch...
Basically, to remove any switch, switch, or their block, you should squeeze it out of the panel and disconnect the connector. The following are unusual switch...
Removal and installation of a combination of devices and its components
1. Extend and lower the steering column until it stops. 2. Remove the screws and slide the instrument cluster forward. Cover the steering column with a cloth....
1. Extend and lower the steering column until it stops. 2. Remove the screws and slide the instrument cluster forward. Cover the steering column with a cloth....
Audio unit and speakers
Audio block 1. Remove the protective caps on the right and left sides and remove the screws. 2. Remove the audio unit and disconnect its wiring connector....
Audio block 1. Remove the protective caps on the right and left sides and remove the screws. 2. Remove the audio unit and disconnect its wiring connector....
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Similar sections for other types of BMW cars:
Electrical equipment: Equipment and devices BMW 3 Series E30 (1982-1994)
Electrical equipment: Equipment and devices BMW 5 Series E12 (1972-1981)
Electrical equipment: Equipment and devices BMW X5 E53 (1999-2006)
Electrical equipment: Equipment and devices BMW 3 Series E30 (1982-1994)
Electrical equipment: Equipment and devices BMW 5 Series E12 (1972-1981)
Electrical equipment: Equipment and devices BMW X5 E53 (1999-2006)
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