Electrical equipment and devices of the car BMW 5 Series E39
Electrical system — general information When checking an electrical system, a motorist in technical documents each time encounters such concepts as voltage, current and resistance. Voltage is...
Measuring instruments To measure the parameters of on-board electricians, so-called universal measuring instruments are sold in the distribution network. They combine in one unit a...
Measurement technique Voltage measurement You can verify the presence of voltage using a simple test lamp or voltage tester. Thus, first of all, it is found out whether there is a...
Troubleshooting in the electrical system When troubleshooting an electrical system, a systematic approach is important. This applies both to checking failed incandescent lamps and to checking idle...
Checking switches Most electrical consumers are switched on and off manually via a switch. In addition, there are switches that operate automatically. These switches include...
Relay test Relays are built into many electrical circuits. The switching relay works as a switch. When the high beam is turned on by the manual switch, the relay is...
Checking the wiper motor The wiper motor is located at the windshield under the drainage cover. The appropriate cover must be removed for inspection. Terminal designations The motor...
Checking the brake signal When the brake light does not come on, first check the condition of the fuse in the fuse box. If the fuse turned out to be in order, then next you need to...
Rear window heating test With the heated rear window switched on, the glass field with visible conductors should be free of fogging or ice after a while. In the event of a malfunction,...
Removal and installation of the switch Disconnect ground wire (-) battery. The battery is located in the luggage compartment behind the right side trim. Attention: This erases the contents of memory...
Removal and installation of the temperature sensor Withdrawal The sensor for the ambient temperature gauge is located in the trim on the right under the front bumper. Pull temperature sensor -1- downwards out...
Removal and installation / check of a sound signal On the right side, behind the front bumper, one high and one low tone sound signal is installed. To protect the contacts of the horn, a relay is installed...
Radio remote control installation The installation of the radio remote control of the central locking system is carried out after replacing the batteries in the car key, if the replacement...
Headlight beam angle adjustment The headlight beam tilt control system consists of a regulator located in the passenger compartment next to the fog lamp switch and actuator motors for the...
Replacing fuses To avoid damage to the wires and current consumers of the electrical system as a result of short circuits and overloads, individual electrical circuits are...
Location of fuses The location of the fuses depends on the equipment and year of manufacture of the vehicle. The correct location of the fuses is indicated in the glove box...
Lighting system — general information The lighting system includes: headlights, rear lights, brake lights, reversing lights, turn signal lights, fog lights, license plate lights, interior lights....
Lamp table In order to be able to change the bulb at any time, you should always have a box of spare bulbs in the car. BMW dealers have these boxes of spare bulbs...
Replacing incandescent lamps Switch off the corresponding electric lamp. Main headlight Caution: The halogen bulbs for high beam, dipped beam and fog lights are pressurized so wear safety...
Removal and installation of a headlight Note: Removal and installation of the headlight lens are described in chapter " Removal and installation of the electric motor of the system for regulating the...
Headlight adjustment Proper headlight adjustment is essential for road safety. Fine adjustment of the headlights is only possible with a special adjustment device. Therefore, this...
Removal and installation of a back lantern Limousine Withdrawal Remove lamp holders, see chapter " Replacing incandescent lamps ". Unscrew the 4 nuts and squeeze the lamp diffuser out. Weld the sealing...
Devices — general information In the BMW 5 Series, all instruments are located on the instrument panel. The instrument panel is removed only to replace the instrument lighting lamps....
Removal and installation of the instrument panel Withdrawal Move the steering column all the way down and fully extend. Unfasten the glory and to the right of the steering column, wooden lining. Remove 3...
Replacing the instrument panel bulbs Remove the instrument panel assembly. Disconnect the plug connector of the electronics unit by first unfastening and folding back the retaining clip of the...
Removal and installation of radio Withdrawal Removal and installation are explained in the following example: radio from BMW Business. The radio consists of two separate parts: the radio itself...