If the receiver has a sliding mount, it allows for quick removal and installation of the radio. However, this can only be done with a special tool that comes with the radio or is commercially available.
Withdrawal
Disconnect the ground wire from the battery.
Attention: When the battery is disconnected, the information in the electronic memory devices, such as the engine trouble memory or the radio security code memory, is erased. Disconnect the battery only when the ignition is switched off so as not to damage the fuel injection system control unit. When disconnecting the battery, follow the instructions in sections "Radio" And "Removing and installing the battery".
Attention: On vehicles with a six-cylinder engine, the battery is located in the luggage compartment on the right side next to the spare wheel.
Radio "Business"
Remove the radio cover with a small screwdriver. Use a paper pad or rag to prevent damage to the dashboard.
Loosen the 2 screws -1- with a 2.5 mm spanner -2- until the side mounting brackets are released so that the radio can be pulled out.
Disconnect connector. Raise the mounting bracket first.
Disconnect the antenna cable.
Installation
Connect antenna cable.
Connect connector. Press the mounting bracket.
Push the radio into the hole until it stops.
Alternately tighten the two screws on the left and right with a spanner.
Put on the overlay.
Radio receiver 8varia СII/C Revers II
Insert the pullers -1- on the left and right into the holes on the front plate.
Press the pullers outwards, in this case the fixing strips diverge. Pull out the radio at the same time. Do not skew the radio.
Disconnect the connector -2- from the radio by first pulling out the retaining clip -1-.
Disconnect the antenna cable.
Remove pullers. To do this, compress the fastening clips with a screwdriver.
Installation
Connect the connector and antenna cable from the back of the radio.
Insert the radio into the dashboard until the latches click into place.
Connect ground wire to battery.
Attention: Connect the battery with the ignition off, otherwise the electronic control unit of the injection device may fail.
Set clock time.
Set radio security code, see section "Setting the radio code".
Loudspeaker in door: Remove inner door trim.
Unscrew loudspeaker -1-.
Check the functioning of the radio. Instructions for installing the radio yourself
The standard cable harness connector is only suitable for radios from the BMW range. The painting of the pins of the power connector:
- Pin 5 = terminal 75 - switched positive
- Pin 9 = Terminal 30 - permanent positive (+) food
- Pin 10 = GAL - speed signal for automatic volume control (special equipment)
- Pin 13 = terminal 58g - backlight
- Pin 15 = Terminal 31 - Ground (-)
Attention: If a special adapter cable is not installed, do not allow bare wires. Otherwise, a short circuit may cause a fire in the cable.
It is mandatory to install certified radio interference suppression systems, otherwise the General Permit to Operate will be invalidated. Radio interference suppression kits are available for sale specifically for BMW vehicles with an instruction manual.