EBA – 01 29 9 784 867
BMW Installation Instructions
Specialist knowledge required.
Installation time approx. 4 – 5 hours, but can vary according to the condition and equipment of the vehicle.
Instructions and illustrations are given here for left-hand drive cars. On right-hand drive models the various work stages have to be carried out in mirror-image fashion.
Additional cable connectors and self-adhesive cable clips are required when installing the additional radio wiring harness.
Deburr the edges of the drilled holes and coat with zinc powder paint
Screwdrivers , Nos. 2 , 4
Phillips screwdrivers, Nos. 2, 4
1/4″ socket wrenches, 10, 13, 17 and 19 mm across flats
Double-ended wrench, 12/13 mm across flats
2.5 mm Allen key
3 mm and 6 mm bits
- Removing rear seat base and back
- Removing luggage compartment trims
- Removing left front seat
- Disconnecting battery
- Removing rear shelf
- Exposing cable duct
- Removing lower left instrument panel trim
- Removing left footwell trim
- Removing right footwell trim
- Removing instrument cluster
- Installing additional wiring harness
- Installing connecting cable control and receiver (2nd component)
- Installing amplifier
- Installing receiver stage (2nd component)
- Installing rear loudspeakers
- Installing footwell loudspeakers
- Installing tweeters in mirror triangles
- Installing mid-range loudspeakers at the front
- Installing radio control unit
1. Removing rear seat base and back
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Lift seat base (1) out of its holder in the direction of the arrows.
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Fold the centre armrest down, press together the catches in the direction of the arrows and remove the centre armrest.
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Take off head restraint (1 ), lift out trims (2) and pull out rods (3).
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Unscrew the four nuts (1), lift up the seat back out of its holders and pull out sideways under the seat belts.
2. Removing luggage compartment trims
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Removing luggage compartment trims
Take out the luggage compartment mat and remove trim on rear bulkhead (1) after turning and removing the plastic screws (2).
On models equipped with ski bag:
Lift out the ski bag (3) backwards after first taking out the middle armrest in the passenger section rearwards .
If the car is fitted with a ski bag or cool box, the rear bulkhead is divided into two.
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Remove the centre trim section at the rear by turning clips (1) through 90″.
Remove the side trim at the rear left.
3. Removing left front seat
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Move the seat forward to its front stop and raise to highest seat position.
Detach wire cable (1) for the seat belt height adjustment. Remove the screw (2) from the belt holder.
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Remove the retaining screws on the seat rails (see arrows) . Push the seat back to its rear stop and remove the head restraint.
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Raise the seat at the rear until it can be pushed out of the mounting brackets.
If the car is fitted with electric seat adjustment or heating, release cable connectors and disconnect plugs (see arrow) .
4. Disconnecting the battery
When the battery is disconnected , the fault memories are automatically erased.
Print out the fault memories.
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To disconnect the battery, remove cover (1) from the rear seat base.
Disconnect the negative cable from the earthing point. Disconnect additional battery if there is one.
5. Removing rear shelf
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Lever out the four plug rivets and pull the rear cover forward in the direction of the arrows. Take off the insulating mat.
6. Exposing cable duct on the left side
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Lever out the front and rear cover strips (1) from the left door sill with a screwdriver.
Pull off the edge protection (2) from the lower part of the door sill roughly half way up the sill.
Lever off both press studs (3) on the left 8-post trim.
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Fold back carpet and undo the cable covers (see arrows) by removing the spreader rivets (1) on the left side of the car.
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Remove the wiring harness (1) and (2) in the luggage compartment.
7. Removing lower left instrument panel trim
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Open the glove box, disconnect the retaining strap (1), unscrew three screws (2) and remove the lid (3).
Lift out the inner trim of the storage compartment.
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Adjust the telescopic steering wheel adjustment to the fully extended position.
Undo screws (see arrows) and lift out trim.
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Pull off the plug from the gong (arrow) and remove trim (1).
8. Removing left footwell trim
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Remove the cap (1), take out screw (2) and pull off lever (3). Turn screws (4) through 90° and remove footwell trim.
9. Removing right footwell trim
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Remove the cap (1), turn screw (2) through 90° and remove footwell trim.
10. Removing instrument cluster
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Undo two Philips screws (1) and pull out the instrument cluster (2) as far as possible.
11. Installing additional wiring harness
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To make assembly easier, carefully lever out the tabs on the retaining bracket (1) in the direction of the arrow and pull out the bracket.
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Feed through the plug for connecting up the radio control unit at the point indicated (see arrow) and run it over the steering column to the position where the radio control unit is going to be installed.
Run the wiring harness in the direction shown in the picture and connect to the available cable connector.
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Connect the 8 pin plug on the wiring harness to the corresponding tied-back plug connected to the vehicle (see arrow).
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The 2 pin plug for the parallel display (1) remains tied back.
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Connect the white plug (1) on the wiring harness with the corresponding black plug tied back in the footwell section.
Run the wiring harness rearwards on the left side of the vehicle and connect the mains plug (see arrow).
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Lay the wiring harness on the left side of the vehicle in the cable duct to the rear and connect the plug for the power supply (Reil).
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The adaptor cable supplied in the installation kit (1) should be used for models built before 08/90.
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Lift up the rubber grommet (1), cut out the corresponding apertures and run the wiring harness and the antenna cable (3) through into the luggage compartment.
Run the loudspeaker cable (2) to the rear shelf as shown in the picture.
Apply soap to the grommet to facilitate installation.
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Run the loudspeaker cable under the clips (see arrows) on the rear shelf.
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Run the cable into the luggage compartment as shown in the picture and secure with four retaining straps (1).
12. Installing cable for connecting radio control unit to the receiver (2nd component)
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Run the plug (1) on the connecting cable parallel to the additional wiring harness over the steering column to the location of the radio control unit.
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Run the connecting cable along the cable duct on the left side of the car to the rear bulkhead and through the rubber grommet into the luggage compartment.
13. Installing amplifier
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Insert the two plugs from the additional cable harness in the sockets of matching colour on the amplifier.
The plug (1) is not necessary and remains tied back.
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Attach the amplifier with three screws (arrows) on the left side of the luggage compartment.
14. Installing receiver stage (2nd component)
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Centre-punch the three pre-marked apertures on the right side of the rear shelf section.
Pre-drill the centre-punched apertures with a 3 mm bit and widen to 6 mm.
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Insert the receiver bracket underneath and fasten with nuts and washers (see arrows).
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Slide the receiver (1) into the bracket (2) and fasten with a screw (3).
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Join the connecting cable (1), the antenna cable (2) and the additional wiring harness plug and fix onto the receiver bracket with cable connectors.
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Fit the cover (1) into the slots (2) and fasten with clips(3).
15. Installing rear loudspeakers
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Cut out the pre-marked sections (see arrows) in the insulating mat with a wallpaper knife.
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Insert three spreader nuts (1) on each side.
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Affix four sheet-metal nuts (see arrows) to the tabs on the dish.
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Secure dish (1) with three self-tapping screws on each side.
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Take out the loudspeaker cover supplied in the installation kit. Push the two sheet-metal nuts (see arrows) onto the loudspeaker cover.
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Place the tweeter in position and secure with two self-tapping screws (see arrows).
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Connect the loudspeaker cable to tweeter (1) and mid-range/woofer unit (2).
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Place the loudspeaker in the dish, then place the cover on top and secure both items with four raised-head self-tapping screws (1) (black, with washer).
16. Installing footwell loudspeakers
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Remove insulating material from the footwell loudspeaker cutouts.
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Place loudspeaker (1) on the footwell trim from behind. Place the spring washers in position and secure the loudspeaker with four nuts (see arrows).
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Connect up the loudspeaker cables (see arrows) and install footwell trim.
On models built from 9/87 on, the wires for the right footwell loudspeaker are tied back in the A-post.
17. Installing the tweeters In the mirror triangles
If the loudspeaker wire is not tied back in the mirror triangle area, the door trim must be removed.
Removing door trim
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Unscrew and remove the door lock button (see arrow) .
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Lift out the light and disconnect the plug.
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Lift out the trim panel.
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Remove screw (arrow).
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Lift out trim panel (1).
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Remove screw (1).
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Pull off the trim.
Disconnect the door handle and lift up the trim to remove.
Renew any damaged clips.
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Pull the clip (see arrow) out of the trim and insert.
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The loudspeaker cable (see arrow) is tied back in the area indicated.
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Installing tweeters in mirror triangles
Release the loudspeaker cable and run it to the loudspeaker location as shown by the drawing.
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Insert plastic nut (1) from the installation kit in the mirror triangle as shown by the drawing.
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Secure the loudspeaker housing with screw (1).
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Attach the loudspeaker cable (see arrows) to the loudspeaker and press into the housing.
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Secure the loudspeaker with the screw .
18. Installing mid-range loudspeakers at the front
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Installing mid-range loudspeakers
Lever off trim panel (1) with a small screwdriver.
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Plug the loudspeaker cable (see arrow) on to the loudspeaker.
The loudspeaker wires to the mid-range loudspeaker locations are installed as standard in the instrument panel.
Fix the tweeters onto the instrument panel with two sheet-metal nuts on each side of the car.
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Insert each loudspeaker into the cutout and secure with two screws (see arrows).
19. Installing radio control unit
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Lever out trim panel covering the cutout and install holder (1) as shown by the drawing.
The installation kit contains two holders: one for right-hand-drive models and one for left-hand-drive models (the illustrated holder is for a left-hand-drive model).
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Screw pin (1) on to the radio, pre-assemble the plug (2) with the housing retainer (4) in the bush housing (3) and attach the housing to the radio control unit.
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Remove front trim panel of the radio control unit. Slide unit into the opening and tighten hexagonal socket screw. Attach trim panel.
Assemble the remaining vehicle parts by carrying out the removal procedure in reverse order.
Connect the battery.
Carry out a functional check.