Electrical equipment and devices of the car BMW 3 Series E46

Body electrical technical data
System type - 12 V, with a minus on the mass Fuses - See fuse box cover Light bulbs - power, W Outdoor lighting fixtures Side turn signal - 5 Turn signal - 21...

Connection tightening torques, Nm
Airbag mountings Screws of fastening of an airbag in a door — 8 Screws of fastening of an airbag of the driver — 8 Shock sensor mounting bolts - 10 Screws of...

Basic information and precautions
Attention! Before carrying out any work on the electrical system, read the warnings given in paragraph " Safety first! " at the beginning of this guide and...

Troubleshooting in electrical circuits — basic information
Note. Before starting work, read the warnings given in paragraph " Safety first! " and in paragraph 1 this chapter. The procedures described in this chapter...

Fuses and relays — basic information
Main fuses 1. Most of the fuses are located behind the glove box on the passenger side, and the rest of the fuses are located in a box located in the left...

Switches — removal and installation
Note. Before removing the switch, disconnect the wire from the negative battery terminal ( see chapter 5A ) and reconnect it after putting the switch back in...

Exterior light bulbs — replacement
Basic information 1. Keep the following in mind when replacing light bulbs. A) Be aware that the light bulb may be hot immediately after being turned off. b)...

Bulbs of internal lighting devices — replacement
Basic information 1. See paragraph 5. item 1. Ceiling lamps for interior lighting 2. Using a small flathead screwdriver, carefully pry the cover off and...

Outdoor lighting devices — removal and installation
Farah 1. Remove the relevant turn signal (see point 12). 2. Carefully remove the headlight washer nozzle (if it exists) from the bottom of the headlight trim...

Headlight adjustment — general information
1. Fine adjustment of the headlight beam requires special optical equipment. Therefore, it must be carried out at dealers or at a bus station with the...

Dashboard — removal and installation
Withdrawal 1. Disconnect the wire from the negative battery terminal ( see chapter 5A ). 2. Fully lower and pull out the steering column. 3. Remove the two hex...

Dashboard components — removal and installation
Since most of the sensors and systems in the BMW 3 Series are connected by the system data bus, the dashboard is the information center. System bus "K-bus"...

Rain sensor — removal and installation
1. The rain sensor is built into the center rearview mirror. Press the bottom edge of the mirror cover, squeeze the two halves of the support cover and release...

Axle load sensor — removal and installation
Withdrawal 1. Vehicles equipped with xenon headlights have an automatic headlight beam adjustment system. Sensors installed on the front and rear axles of the...

Tire pressure monitoring system (RDC) — basic information and component replacement
Basic information 1. Tire pressure monitoring system (RDC) installed as an option on most BMW 3 Series models. The system consists of a transmitter mounted on...

Sound signal (s) — removal and installation
Withdrawal 1. Beep (s) installed (s) behind the bumper on the right and left. 2. To access the horns from below, apply the parking brake, raise the front of...

Wiper arm — removal and installation
Withdrawal 1. Turn on and then turn off the wiper so that the lever returns to its original position. 2. Stick a strip of adhesive tape along the wiper blade -...

Wiper electric drive — removal and installation
Withdrawal 1. Remove the wiper arm ( see paragraph 15 ). 2. Open the hood. 3. Remove the heating duct housing as follows (pic. 16.3, a, b): A) Turn the three...

Components of washer glasses / headlights — removal and installation
Windshield and headlight washer reservoir 1. The windshield washer reservoir is located in the engine compartment. In models with headlight washers, the liquid...

Car radio — removal and installation
Note. Extraction and installation procedures are standard equipment. set by BMW. These procedures for equipment not intended for installation will be...

Speakers — removal and installation
Door speakers 1. Remove the door lining ( see chapter 11 ). 2. Remove the three screws and remove the speaker from the casing (pic. 19.2). 3. Unscrew the large...

Radio antenna — general information
The radio antenna is integrated into the rear window. To improve the quality of reception, the antenna is equipped with a signal amplifier. The amplifier is...

Cruise control system — basic information and component replacement
Basic information 1. System "Cruise control" is part of the engine management system. In this system, only external components such as the clutch pedal switch...

Anti-theft alarm system — basic information
Models E46 3 series are equipped with an advanced anti-theft alarm system and an immobilizer. If there is a malfunction in the system, special equipment is...

Components of the front seat heating system — removal and installation
Heated pads On models with heated front seats, heated pads are installed on the seat cushion and backrest. To replace such an overlay, you need to separate the...

Air Bag System — Basic Information and Precautions
The models described in this manual are fitted with a driver's airbag (in the center of the steering wheel) and passenger airbag (it is located under the front...

Components of the airbag system — removal and installation
Note. Read Warnings Before Performing Subsequent Operations paragraph 24 . 1. Disconnect the wire from the negative battery terminal ( see chapter 5A ), then...

Remote Parking Control System — Basic Information and Component Replacement
Basic information 1. To facilitate parking, BMW 3 Series vehicles are equipped with a system that informs the driver of the distance between the rear of the...