Supplementary Sheet to Installation Instructions “Trailer Tow Hitch – Electrical Fittings -” BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

EBA – 01 29 9 786 336
BMW Installation Instructions

Trailer Tow Hitch BMW 5 Series E34/2 (Touring)

Important

Vehicles 525 tds (automatic) without air conditioner only.

If trailer load is greater than 1000 kg, an auxiliary fan should preferably be installed.

If no auxiliary fan is installed, rear engine-compartment encapsulation parts must be removed (see Figs. F 34 72 128 and F 34 72 129).

F 34 72 128

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Detach rear encapsulation parts (1) to (5). This involves removal of sheet-metal hexagon screws. Loosen stabilizer for easier removal of underbody panelling (3).

F 34 72 129

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Loosen nuts (1) on left/right side and pull down stabilizer (2).

Installation information

Reinstall all removed parts in reverse sequence. Tightening torque 22 Nm.

Re. Page 12, Fig. 34 71 086

Vehicles from 09/92 with trailer module

Ensure that a 15-amp fuse is inserted in plug-in station 18. Ensure that a 30-amp fuse is inserted in plug-in station 43.

Note

Plug-in station 43 is located on the left side of the vehicle under the rear seat bench.

Vehicles from 09/92

The supplementary wiring harness is now no longer required. This leads to a change in the sequence of work steps.

On Page 8, work steps F 30 52 058, F 34 65 021 and

F 34 72 089 no longer apply. On Page 10, Fig. F 34 72 114

is replaced by Fig. 34 72 130.

F 34 72 130

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Lay connecting lead (1) along standard vehicle wiring harness as illustrated.

Lay branch between fuse carrier and two power-supply lines to battery on left-hand side under backrest into rear compartment.

On Page 10, Figs. F 34 72 115 and F 34 72 116 no longer apply and are replaced by the following work steps.

F 30 52 058

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

All models

Remove rear cover strip (1) on left-hand side of vehicle.

F 34 65 021

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Pull back carpet on left/right rear seat base. Lift out split rivet (1). Detach left/right plastic covers (2).

F 34 71 092

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Lay connecting lead ( 1) along standard vehicle wiring harness as illustrated.

F 34 71 091

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

All models

Insert 30-amp fuse (1) into fuse carrier (2).

F 34 72 131

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Secure fuse carrier (1) to fuse box (2).

F 34 71 089

Supplementary Sheet to Installation Instructions "Trailer Tow Hitch - Electrical Fittings -" BMW 5 Series E34/2 (Touring), Order No. 01 29 9 786 228

Open fuse box (1) on rear left of seat base.

Screw on positive cable – red cable – (3) at position (2). Screw on negative cable – brown cable – (4) to earth support (5).

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