Electrical equipment and devices of the car BMW 3 Series E30
Replacing fuses To avoid overloads and short circuits, some circuits are protected by fuses. The fuses are located in the fuse box located in the passenger compartment on the...
Relay test The easiest way to check the relay is to replace it with a known-good turnip. As a rule, this is how relays are checked at a service station. However, since...
Generator BMW vehicles are fitted with an alternator. Depending on the model and composition of the equipment, the generator power can be from 65 to 90 A. The generator...
Removal and installation of the generator Withdrawal Disconnect the ground wire from the battery. On six-cylinder models: Disconnect the battery terminal at the connector. Release tension and remove...
Starter To start an internal combustion engine, a small electric motor, a starter, is required. required to start the engine. so that the starter develops up to 300...
Removal and installation of a starter Withdrawal Disconnect the ground wire from the battery. Four-cylinder engine with carburetor Raise the car. Loosen bracket on starter. Disconnect the wires...
Removal and installation of the traction relay With a defective traction relay, the starter gear does not engage with the flywheel ring gear. Because of this, the starter is unable to crank the engine....
Starter Troubleshooting If the starter does not rotate the engine, first check for voltage at terminal 50 of the traction relay (minimum 8 V), enough for it to work. If the voltage is...
Lighting system. General information Switch off the corresponding consumer before replacing the lamp. Caution: Do not touch the lamp bulb with your fingers. From fingerprints, it becomes cloudy...
Replacing incandescent lamps Headlights Open the engine compartment hood. The dipped and parking or parking lights are located in the outer headlights. The high beam bulbs are located in...
Removal and installation of headlights Withdrawal Open the engine compartment hood. Disconnect the ground wire from the battery. Remove the plastic cover from the back of the headlight. To do this,...
Removal and installation of forward indexes of turns Withdrawal Disconnect the wire from the battery. Remove the front bumper. Loosen the screws and remove the turn signal from the bumper. Installation Insert the...
Removal and installation of rear lights Withdrawal Disconnect the ground wire from the battery. Open the tailgate, remove the reflector. Pull out connector -1-. Unscrew the screws, pull out the rear...
Headlight adjustment Headlight adjustment is of great importance for driving safety. Fine adjustment of the headlights is only possible with the help of a special adjustment...
Devices. general information On BMW 3 Series vehicles, the instruments are assembled on the instrument panel. After removing the instrument panel, individual instruments or lamps can be...
Removal and installation of the instrument panel Withdrawal Disconnect the ground wire from the battery. Remove bottom cover. Attention: To remove the instrument panel, you can remove the steering wheel....
Removal and installation of indexes and a speedometer Withdrawal Remove instrument panel. Remove the knobs for resetting the daily mileage and setting the time on the clock from the front side of the instrument...
Removal and installation of the light switch Withdrawal Disconnect the ground wire from the battery. Remove lower dashboard trim (see section « Removal and installation of the middle console and shelves...
Removal and installation of the radio receiver Factory-installed car radios have different mounts. If the receiver has a quick-release mount, it allows for quick removal and installation of the radio....
Removing and installing loudspeakers Withdrawal Disconnect the ground wire from the battery. Release models since August 1985 Partially pull back the edge trim of the side trim in the footwell....
Removing and installing the antenna Withdrawal Automatic antenna Pull out the jack. Remove rear light cover (see section « Removal and installation of rear lights »). First pull up and then pull...
Removal and installation of the wiper motor Withdrawal Disconnect the ground wire from the battery. Remove both brush arms. Pull lever -1- away from windshield and release plastic trim -2-. Raise the...