Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

EBA – 01 29 9 781 049
BMW Installation Instructions

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Instructions and illustrations are given for left-hand-drive models. On right-hand-drive cars, various work steps must be caried out on the opposite side of the vehicle or in mirror-image fashion.

Tools and materials required:

Flat-bladed screwdriver
Phillips screwdriver
Changeover ratchet (3/8 Inch)
Extension (3/8 inch)
Hex socket insert (3/8 inch), 17 mm
Changeover ratchet (1/4 inch)
Extension (1/4 inch)
Hex socket insert (1/4 inch}, 8 mm, 10 mm
Side-cutters
Combination pliers
Pincers
Torque wrench
Cable lamp
Flexible rod, approx. 700 mm long
Universal knife
Universal tacker
Felt-tip pen

Contents

Section

  1. Removing front left and right seats
  2. Removing lower section of instrument panel
  3. Removing front left side panel trim
  4. Removing centre console
  5. Removing storage tray
  6. Removing cover strips
  7. Installing additional wiring harness
  8. Installing relay and fuse
  9. Installing seat heating switches
  10. Installing heating elements

10.1 BMW sports seat

10.2 BMW standard seat

11. Functional check

1. Removing front left and right seats Lift out the head restraint.

F 30 52 041

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Push the seat back against the rear stop.

If the seat Is adjustable In height, set it to the highest positon.

Pull off rubber caps (1).

Unscrew hex nuts (2) and remove washers.

F 30 51 164

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Push the seat forward against the front stop. Pull off the cap in the direction of the arrcw and take out hex bolt (1).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull off rubber caps (1). Take out hex bolts (2).

Lift the seat out of the car.

2. Removing lower section of Instrument panel

F 30 52 003

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Rotate screws (1) through 90° and remove lower instru­ ment panel section (2).

On cars equipped with the exterior temperature indica­ tor/digital clock or on-bord computer, pull off the plug from the gong.

When installing:

Make sure instrument panel section (2) is correctly loca­ ted in retaining clips (3).

3. Removing front left side panel trim

F 30 52 059

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out hex bolts (1).

Remove engine compartment lid release lever (2). Take out Phillips screw (3).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull off edge protection (1) near side trim (2) in the direc­ tion of the arrow.

Remove side trim (2).

4. Removing centre console

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Lift the rear ashtray out of the centre console in the di­ rection of the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Remove the hex nut (arrow).

Detach the centre console at the f ront by pulling back­ wards.

F 30 65 004

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On models with electronic-hydraulic automatic transmis­sion control:

Pull off connecting plug (arrow).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On all models:

Pull off ashtray light (1) in the direction of the arrow. Remove the centre console.

5. Removing storage tray

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On models with manual gearbox:

Lift out gear lever cover (1) in the direction of the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On models with automatic transmission:

Lever out the trim cover (arrow).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out Phillips screws (1) and remove selector lever trim (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out the insulating felt. Remove hex nut (arrow).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On models with electric window lifts:

Lift out electric window lif t switches (1). Pull plug con­ nections (2) off switch (1).

Remove hex nut (arrow).

F 30 51 323

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On all models:

Take Phillips screws out of front ashtray. Lift out ashtray console (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Disconnect cables from cigarette lighter (1) and ashtray light (2).

Remove ashtray console.

F 30 51 325

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out the hex bolt (arrow).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Rotate left and right retaining screws (1) through 90° and remove.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Remove storage tray (1) in the direction of the arrow.

6. Removing cover strips

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Carefully lever front cover strip (1) on both sides of the car out of the first retaining clip as indicated by the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Push the cover strip forwards as far as possible to reveal the rear retaining clips (arrow).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull off cover strip (1) in the direction of the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On tour-door models:

Lift out rear seat base (1) in the direction of the arrow.

F 30 52 031

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull spreader rivet (1) out of cover strip (2) and carefully lever out the cover strip in the direction of the arrow.

Remove the rear cover strips on the left and right.

F 30 52 054

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On all models:

Squeeze the retaining clips (arrows) with pincers and lift out.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

When installing:

Renew any damaged retaining clips.

Insert retaining clips (1) in cover strip (2), and slide into the correct positon.

7. Installing additional wiring harness

On two-door models:

F 30 52 014

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull off cap (1). Take out hex bolt (2) and washer (3). Lift belt retainer (4) slightly in the direction of the arrow.

Remove spacer sleeve (5).

Carefully pull back carpet (6) as indicated by the arrow.

F 30 52 028

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On four-door models:

Take out Phillips screws (1).

Pull back the bottom of the B-post trim slightly as indica ted by the arrow.

On all models:

Fold back the carpet.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out plastic screws (1) on both sides of the car. Remove cover (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Remove hex bolt (1) f rom earthing point (2).

Bolt earth wire (1) (brown) from the additional wiring har· ness to earthing point (2). Push cable plug (3) into the special equipment plug.

Note:

The connections on the special equipment plug are of va­ rious designs, so that cable plug (3) will only fit into the designated socket.

F 30 52 017

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Fold back the carpet.

Install additional wiring harness (1) as illustrated.

Note:

Fit the additional wiring harness in the cable holders pro­ vided as standard on the car.

Push conecting wires (2…4) through the holes in the car­ pet. Fit the carpet again.

Install the following parts by carrying out the removal procedure in reverse order:

Left and right plastic screws Cover

Front left side trim Edge protection

Lower instrument panel section Storage tray

On two-door models:

Belt retainer

On four-door models:

Secure B-post trim Rear cover strips Hear seat base

On all models:

Front cover strips

8. Installing relay and fuse

F 30 52 027

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Open the fuse box at the front left of the engine compart­ment. Insert relay in socket (KS).

Note:

On models with electric window lifts or the electric sun roof, the relay is already installed.

On all models:

Insert a 15 Amp fuse in socket 16 (arrow). Designations are printed on the fuse box cover.

8. Installing seat heating switches

F 30 52 013

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Cut out pre-formed apertures (1) in centre console (2). Insert seat heating switches.

Push on the cable plugs from the additional wiring harness.

Note:

Front switch for left seat. Rear switch for right seat. Install the centre console.

10. Installing heating elements

10.1 BMW sport seat

F 30 52 004

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On two-door models:

Pull off handles (1) in the direction of the arrows. Take out Phillips screws (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull off trim (1) f rom below as indicated by the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Front passenger’s seat:

Take out Phillips screw (1) and remove holder (2). Lift rear panel (3) out of its retaining clips.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On four-door models:

Take out Phillips screws (1) and lift rear panel (2) out of its retaining clips.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On all models:

Unhook seat upholstery fabric (1) from retaining spikes (2) at the top and bottom.

Pull off tensioning strip (3) in the direction of the arrow and push through to the seat front.

F 28 52 018

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Mark fleece mat (1) approx. 1.5 cm below horizontal seam (2) and carefully make cuts of the same width as the hea· ting elements.

Important:

Take care not to damage the upholstery f abric.

F 28 52 019

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Insert heating elements (1) between the fleece mat and the upholstery fabric and through the cuts.

Important:

Make sure the heating elements are not twisted or jammed.

Note:

The heating elements f or the seat back and seat base are of different lengths.

The longer conductors must be installed in the seat back.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull the heating elements through to crossbar (1).

Push the tensioning strip together with the heating ele­ ment cable through to the rear.

A ttach the tensioning strip.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Attach upholstery fabric (1) to retaining spikes.

Important:

Do not attach heating elements (2) to the spikes.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out hex bolts (1) on the left and right. Remove belt catch (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Lever out seat rails (1) on the lef t and right.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull cross- struts (1) out of seat rails (2) on the left and right.

Remove corrugated washers (3).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Unhook upholstery fabric (1) from retaining spikes (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Remove clip (1) from thigh support (2).

Pull out pin (3) and remove the thigh support in the direc­tion of the arrow.

Carefully open up retaining rings (4).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Raise cushion (1). Pull out staples (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Carefully fold back the upholstery fabric .

Mark fleece mat (1) aprox. 1.5 cm below horizontal seam (2).

Carefully make cuts of the same width as the heating elements.

Important

Take care not to damage the upholstery fabric.

F 28 52 048

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Insert heating elements (1) between the fleece mat and the upholstery fabric and through the cuts.

Important

Make sure the heating elements are not twisted or jam­med.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull the heating elements through to cross-bar (1).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Fold down heating elements (1) and insert between foam (2) and upholstery cover (3).

Fit upholstery cover (3), pull taut and attach to foam (2) with a universal tacker.

Insert retaining rings and secure. Install the thigh support.

When Installing:

Carry out the removal procedure in the reverse order.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Run the seat back heating element cable (1) to the under­ side of the seat, without pulling taut.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Attach the upholstery fabric to the retaining spikes. Push clip (1) on to frame (3) and insert heating element cable (2) in the clip.

Fit the corrugated washers. Insert the cross-struts in the seat rails.

Attach the seat rails. Install the seat belt catch.

Seat belt bolt tightening torque = 45 Nm.

F 28 52 034

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Insert the heating element cables in the connecting plug.

1 = red
2 = red/yellow
3 = yellow
4 = brown

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Fit holder (1) on frame (2). Push on cable plug (3).

Attach the heating element cables to frame (2) with cable straps.

On two-door models:

Install the rear panel, holders, trim and handles.

On four-door models:

Install the rear panel.

On all models:

Install the front seats.

Install the seat belts.

Notes:

Seat belt bolt tightening torque = 45 Nm.

When installing, carry out the removal procedure In re­verse order.

Connect the cable plugs together on the underside of the seat.

10.2 BMW standard seat

F 30 52 004

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On two-door models:

Pull off handles (1) in the direction of the arrows. Take out Phllllps screws (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull off trim (1) from below as indicated by the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull rear panel (1) downwards out of its retaining clips.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On four-door models:

Take out Phillips screws (1) and pull rear panel (2) down­ wards out of its retaining clips.

F 30 52 011

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

On all models:

Open up wire retaining rings (1).

Unhook upholstery fabric (2) from retaining spikes (3) on the left and right.

Pull off tensioning strip (4) in the direction of the arrow and push through to seat front.

F 30 52 052

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Carefully pull upholstery fabric (1) away from the frame in the direction of the arrow.

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Fold back the seat back.

Insert heating elements (1) between the fleece mat and the upholstery fabric and through the slits.

Important:

Make sure the heating elements are not twisted or jam­med.

Note:

The heating elements for the seat back and seat base are of different lengths.

The longer conductors must be installed in the seat back.

F 28 52 020

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull the heating elements through to crossbar (1).

Raise the seat back to the vertical position, push the ten­ sioning strip through to the rear and at tach.

Pull the upholstery fabric taut and attach to retaining spikes.

Insert retaining rings and secure.

F 28 52 022

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Take out hex bolts (1) on the left and right. Remove belt catch (2).

F 28 52 023

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Lever out seat rails (1) on the left and right.

F 28 52 024

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Pull cross-struts (1) out of seat rails (2) on the left and right.

Remove corrugated washers (3).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Lever out plug (1) and remove trim (2).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Unhook upholstery fabric (1) from retaining hooks (2). Pull off tensioning strip (2) in the direction of the arrow.

F 30 52 075

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Unhook upholstery fabric (1) from retaining hooks (2).

F 30 52 036

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Mark fleece mat (1) approx. 1.5 cm below horizontal seam (2). Carefully make cuts of the same width as the heating elements.

Important

Take care not to damage the upholstery fabric.

F 30 52 035

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Carefully pull upholstery fabric (1) away from the f oam on the seat front.

Mark fleece mat (2) approx. 1.5 cm below horizontal seam (3). Carefully make cuts of the same width as the heating elements.

Important:

Take care not to damage the upholstery fabric.

F 28 52 048

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Insert heating elements (1) between the fleece mat and the upholstery f abric and through the cuts.

Important:

Make sure the heating elements are not twisted or jam­med.

F 28 52 049

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

PUii the heating elements through to cross-bar (1).

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Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Fit the upholstery fabric, tensioning strip and trim.

Run the seat back heating element cable (1) to the under­ side of the seat, without pulling taut .

F 30 52 032

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Push clip (1) on to f rame (2) and insert heating element cable (3) in the clip.

Fit the corrugated washers. Insert the cross-struts in the seat rails.

Attach the seat rails.

lnstal t:he seat belt catch. Notes:

Seat belt bolt tightening torque = 45 Nm.

When installing, carry out th.e remowal proc.edure in the reverse order.

F 28 52 034

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Insert the seat back heating element cables in the c0n­ necting plug.

1 = red
2 = red/yellow
3 = yellow
4 = brown

F 30 52 033

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Fit holder (1) on frame (2). Push on cable plug (3).

Attach heating element cables (4) to frame (2) with cable straps.

On two-door models:

Install the rear panel, holders, trim and handles. On four-door models:

Install the rear panel. On all models:

Install the front seats.

Install the seat belts. Notes:

Seat belt bolt tightening torque = 45 Nm.

When installing, carry out the removal procedure in re­verse order.

Connect the cable plugs together on the underside of the seat.

11. Functional check

F 30 52 012

Installation instructions for seat heating BMW 3 Serles (E30) sedans/saloons

Press switches (1).

3 spiral heater elements = for heating up
1 spiral heater element = for keeping warm

Recommendation:

Switch from “heating up” to “keeping warm” af ter ap­ prox. 5 minutes. The telltale lamp in the switch indicates when the heating is on.

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