Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

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BMW Installation Instructions

The stereo system has been designed in every respect to suit the car’s interior and BMW Bavaria car radios. Installation of other radios and unauthorised connections could cause damage to the system.

Ensure that the correct additional radio wiring harness is in­ stalled (2-channel or 4-channel radio set).

A radio or wiring harness can be identified as 2-channel or 4-channel from the number of loudspeakter connections.

If the BMW Bavaria C Electronic and BMW Bavaria Elec­ tronic Exclusiv radios with built-in front/rear balance control and four loudspeaker terminals are connected up to a two­ channel additional wiring harness, additional cable 65 12 1 37g 32g must be used.

Instructions and illustrations are given here for left-hand­ drive cars.

On right-hand-drive cars, various work stages must be car­ ried out on the opposite side or in mirror-image fashion.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Key

  1. Additional stereo wiring harness
  2. Footwell loudspeakers
  3. Mid-range loudspeakers in instrument panel
  4. Front/rear balance control
  5. Loudspeakers beneath rear shelf

Tools required:

Offset ring wrench, 10 mm
Flat-bladed screwdriver
Phillips screwdriver
Universal knife
Allen key, 4 mm
1/2″ ratchet
1/2″ extension
1/2″ socket insert, 17 mm
Pincers

Contents

Section

  1. Disconnecting battery
  2. Removing rear seat base and back
  3. Removing lower left instrument panel trim
  4. Removing lower side trim
  5. Installing loudspeakers in side trims
  6. Installing wiring harness in instrument panel
  7. Installing front/rear balance control (2-channel wiring harnesses only)
  8. Installing tweeters
  9. Installing additional wiring harness to rear
  10. Installing loudspeakers beneath rear shelf (stereo in­ stallation kits only)
  11. Connecting up to radio

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1. Disconnecting the battery

BMW 520i-525i

Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Important:

Print out the fault memories.

(When the battery is disconnected, the fault memories are automatically erased.)

Unscrew the negative terminal (arrow) and lay aside.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

BMW 530i , 535i , 524td

Remove cover (1) from the rear seat base on the right. Remove hex bolt (2) and take off the cover (3).

Important:

Print out the fault memories.

(When the battery is disconnected, the fault memories are automatically erased.)

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Unscrew the negative cable (arrow) the earthing point.

2. Removing rear seat and seat back Cars

with head restraints

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Pull up the head restraints to remove, as shown by the arrow.

When installing:

Press the securing lugs (1) of trim (2) into cover (3).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Turn the two slotted-head screws (1) on either side of the car through go0 and remove cover (2).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

All models

Fold up the centre armrest.

Lift seat base (1) out of its holder in the direction of the arrows and remove.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Fold the rear centre armrest down.

Pull off the tunnel trim (secured by burr fasteners) for rear centre armrest.

Squeeze together the catches as indicated by the arrows and remove the rear centre armrest.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Unscrew the hex nuts (1).

Remove the hex bolts (2) from seat belt.

When installing:

Tightening torque for hex bolts (2): 46 Nm.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Fold back the insulating mat (1) on both sides.

Unscrew the hex nut (2) on the seat back on either side.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Take off the plastic cover (1) for seat belts as indicated by the arrows. Lift up the seat back out of its holders and pull for­ ward to remove.

3. Removing lower left-hand instrument panel trim

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Take out the Phillips screw (1) and lift out the trim (2) in the direction of the arrow.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Turn the plastic screws (1) through go 0 and remove. Remove the four Phillips screws (2) and pull the instrument panel trim (3) down to remove.

Pull off the plug from the gong.

Pull off air conditioning temperature sensor and vacuum hose if applicable.

Remove instrument panel trim (3).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Lever out plastic covers (1) with a screwdriver and remove Phillips screws (2).

Remove trim (3).

4. Removing lower side trims

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Pull door seal (1) next to the side trim (2) off the A-post on either side in the direction of the arrow.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Lever off cap (1) with a screwdriver and remove Phillips screw (2). Pull off lever (3).

Turn the four plastic Allen screws (4) through goo and remove the left-hand side trim.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Turn the two plastic Allen screws (1) on the right-hand side trim (2) through go0 and remove side trim (2).

5. Installing loudspeakers in the side trims

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Remove insulating material (arrow) from the loudspeaker cutout.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Place loudspeaker (1) on the footwell trim from behind. Place the spring washers in position and secure the loudspeaker with four nuts (2).

When installing:

Before installing the side trims, connect up the loudspeaker wires.

The loudspeaker wires for the right-hand footwell are tied back in the right-hand A-post.

6. Installing wiring harness in instrument panel

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Open the glove box, disengage the retaining straps and con­ nect the two white, 4-pin plugs together on the right behind the glove box.

Remove the two Phillips screws (1) and pull instrument cluster (2) forward as far as the wiring allows.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Remove the trim for radio cutout.

Install the additional wiring harness (1) and aerial lead above the steering column along the main wiring harness, from the left-hand A-post (2) to the radio cutout (3), and secure with the enclosed cable straps.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Connect up the black 8-pin plug (1) and tied-back 8-pin plug (2).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Stereo sets only:

Disconnect the ties (1) on excess cable loops (2) and pull the additional wiring harness (3) straight.

7. Installing front/rear balance control (only with 2-channel wiring harnesses)

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Note:

The additional cable No. 65 12 1 37g 32g must be used in place of the front/rear balance control if necessary. See the separate radio installation instructions for details of connec­ ting up.

Cut away template (1) at edges.

Cut rectangle (2) out of the template (1).

Template A = left-hand-drive model

Template B = right-hand-drive model

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Place on the template (1), mark the cutout (2) and cut.

Important:

Take care not to cut through cables located behind the trim.

Note:

The cutout (2) for the front/rear balance control is pre-formed on the reverse of the trim.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Insert the trim (arrow) as indicated in the cutout.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Introduce the 8-pin plug (1) from the additional wiring harness through the trim (2) and connect up to the front/rear balance control (3).

Push the front/rear balance control (3) into the trim (2) and engage in position.

8. Installing tweeters

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Lever off trim (1) on either side of the car with a small screwdriver.

Note:

There is a recess (arrow) for inserting the lever on the side of the trim (1).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Push on sheet-metal nuts (arrows).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Plug the loudspeaker cables (arrows) on to the loudspeaker.

Note:

The loudspeaker wires to the tweeter locations are installed as standard in the instrument panel.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Insert the loudspeaker in the cutout and secure with two Phillips screws (arrows).

Insert the trim panel.

9. Installing additional wiring harness at rear

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Lever out the front and rear cover trims (1) on the left-hand side of the car with a screwdriver.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Pull cover trims (1) off clips (2) in the direction of arrow.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Lever out the clips (arrows) with pincers.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Push clips (1) on to the cover trims (2) as illustrated.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Fold back the carpet on left at rear seat base, remove four spreader rivets (1) and take off plastic cover (2).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Fold back the carpet on left-hand door sill and remove the six spreader rivets (1) on the cover (2).

Note:

Neither the driver’s seat nor the B-post trim need be removed.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Fold up the cover (1) and run the additional wiring harness (2) alongside the main wiring harness (3) as far as the rear seat base.

Secure the additional wiring harness (2) with the cable straps for the main wiring harness.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Connect up the black 6-pin plug (1) with plug (2) on the rear left relay box.

Note:

Only the aerial lead needs to be run further in the case of the mono installation kit.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Pull off edge protector (1) at C-post.

Pull off C-post trims (2) on either side in the direction of the arrow and disconnect the plug (3).

Note:

Only the left-hand C-post trim (1) need be removed in the case of the mono installation kit.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Remove plastic nut (1) and fold back insulating mat (2).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Mono installation kit only:

Run the aerial lead (1) alongside the main wiring harness from the rear seat base to the aerial amplifier location (2) and connect up to the cable straps already fitted.

Install the aerial amplifier according to the separate installa­ tion instructions.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Installing loudspeakers beneath rear shelf (stereo sets only)

Pull the rear shelf forward in the direction of the arrow.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Cut out the pre-formed apertures (arrow) in the insulating mat on either side with a universal knife and remove scrap material.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Insert three spreader nuts on each side.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Run loudspeaker cable (1) to the loudspeaker location under the insulating mat (2) as shown by the drawing.

Secure the loudspeaker cable (1) as far as possible to the main wiring harness, using cable straps.

Run the aerial lead (3) as far as the aerial amplifier (4). Install the aerial amplifier according to the separate installa­ tion instructions.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Attach four sheet-metal nuts (arrows) to the dish.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Secure loudspeaker dish (1) on right and left with three self­ tapping screws (2).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Feed the loudspeaker cable (1) through the aperture (2) in the dish (3).

Connect the loudspeaker cable (1) to the loudspeaker (4) and install the loudspeaker in the dish (3).

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Place the loudspeaker cover on the dish and secure with four raised-head self-tapping screws (arrows) (black, with washer).

11. Installing the radio

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Insert holder (1) as illustrated.

Note:

The installation kit includes four different holders: for right­ hand-drive and left-hand-drive cars, with and without air con­ ditioning.

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Radio installation with Original BMW stereo and mono installation kits BMW 5 Series (E34)

Screw pin (1) on to the radio.

Install the radio according to the separate installation in­ structions.

Install all the remaining parts by following the removal pro­ cedure in the reverse order.

Connect the battery and carry out a functional check.

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