LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mini >> 2012 >> Cooper Base, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1717 (Trailers - Repair) >> 10 Loading Platform >> 86 10 ... Removing Overrunning Equipment/Maintaining Or Replacing Guide Bush/Installing Overrunning Equipment
April 5, 2026: LEMON Manuals is launched! Read the announcement.

86 10 ... Removing Overrunning Equipment/Maintaining Or Replacing Guide Bush/Installing Overrunning Equipment

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

After installing overrunning equipment, readjust brake system, refer to 86 10 ... ADJUSTING BRAKE SYSTEM 

Check the guide bush while installed to ascertain whether it needs to be replaced. Raise ball end area and replace guide bush if play is detected in ball end area.

NOTE: After installing, readjust and check brake system.

Release round head screws (1) and remove running board (2) towards top.

Installation: 

Use new self-locking nuts.

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 1: Identifying Running Board
G04766380Courtesy of BMW OF NORTH AMERICA, INC.

Unhook tension spring (1) from tension spring mount (2).

Fig 2: Identifying Tension Spring And Tension Spring Mount
G04766381Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Once nut (1) of pull rod (2) has been released, do not move handbrake lever. Handbrake lever can flick upwards.

Release screw (1) on pull rod (2) and remove hexagon nut.

Slide brake compensator (3) towards rear.

Installation: 

Use new self-locking nut.

Fig 3: Identifying Pull Rod And Brake Compensator
G04766382Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on jockey wheel mount and remove.

Release wiring harness mount (2) and remove. Reinstall screw and tighten until hand-tight.

Installation: 

Tighten jockey wheel mount (1).

Tighten wiring harness mount (2).

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 4: Identifying Wiring Harness Mount And Jockey Wheel Mount
G04766383Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on socket holder (1) and remove. Cut through strap (2) and lay wiring harness to one side. Pull gaiter (3) in direction of arrow.

Installation: 

Use new self-locking nut.

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 5: Pulling Gaiter
G04766384Courtesy of BMW OF NORTH AMERICA, INC.

Remove protective caps (1).

Fig 6: Identifying Protective Caps
G04766385Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove.

Installation: 

Use new self-locking nuts.

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 7: Identifying Nuts
G04766386Courtesy of BMW OF NORTH AMERICA, INC.

Tilt top reversing housing (1) in direction of arrow towards rear. Slide out top reversing housing (1) and bottom reversing housing with handbrake lever unit (2) in direction of arrow towards rear.

Fig 8: Tilting Top Reversing Housing
G04766387Courtesy of BMW OF NORTH AMERICA, INC.

Remove holder (1) towards bottom.

Fig 9: Removing Holder
G04766388Courtesy of BMW OF NORTH AMERICA, INC.

Pull drawbar member (1) in direction of arrow and pull out overrunning equipment (2) in direction of arrow towards front.

Fig 10: Pulling Out Drawbar Member
G04766389Courtesy of BMW OF NORTH AMERICA, INC.

Remove spacer tubes (1) and threaded pins (2) from guide bush (3).

Fig 11: Identifying Spacer Tubes, Threaded Pins And Guide Bush
G04766390Courtesy of BMW OF NORTH AMERICA, INC.

Press pins (1) inwards. Detach counter support (2) and guide bush (3).

Maintenance: 

Grease tow tube (4) and attach guide bush (3).

Installation: 

Secure counter support (2) with new clamping sleeves to tow tube (4).

Fig 12: Identifying Pins, Counter Support, Guide Bush And Tow Tube
G04766391Courtesy of BMW OF NORTH AMERICA, INC.

Insert spacer tubes (1) and threaded pins (2) in guide bush (3).

Make sure spacer tubes (1) are correctly seated in guide bush (3).

Fig 13: Identifying Spacer Tubes, Threaded Pins And Guide Bush
G04766392Courtesy of BMW OF NORTH AMERICA, INC.

Using a screwdriver, link spacer tubes (1) and shock absorber located in tow tube. This ensures that the shock absorber remains in the correct installation position. Pull drawbar member (2) in direction of arrow and push in overrunning equipment (3) in direction of arrow towards rear.

Fig 14: Pulling Drawbar Member
G04766393Courtesy of BMW OF NORTH AMERICA, INC.


After installing overrunning equipment, readjust brake system, refer to 86 10 ... ADJUSTING BRAKE SYSTEM 

Check the guide bush while installed to ascertain whether it needs to be replaced. Raise ball end area and replace guide bush if play is detected in ball end area.

NOTE: After installing, readjust and check brake system.

Release round head screws (1) and remove running board (2) towards top.

Installation: 

Use new self-locking nuts.

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 1: Identifying Running Board
G04766380Courtesy of BMW OF NORTH AMERICA, INC.

Unhook tension spring (1) from tension spring mount (2).

Fig 2: Identifying Tension Spring And Tension Spring Mount
G04766381Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Once nut (1) of pull rod (2) has been released, do not move handbrake lever. Handbrake lever can flick upwards.

Release screw (1) on pull rod (2) and remove hexagon nut.

Slide brake compensator (3) towards rear.

Installation: 

Use new self-locking nut.

Fig 3: Identifying Pull Rod And Brake Compensator
G04766382Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on jockey wheel mount and remove.

Release wiring harness mount (2) and remove. Reinstall screw and tighten until hand-tight.

Installation: 

Tighten jockey wheel mount (1).

Tighten wiring harness mount (2).

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 4: Identifying Wiring Harness Mount And Jockey Wheel Mount
G04766383Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on socket holder (1) and remove. Cut through strap (2) and lay wiring harness to one side. Pull gaiter (3) in direction of arrow.

Installation: 

Use new self-locking nut.

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 5: Pulling Gaiter
G04766384Courtesy of BMW OF NORTH AMERICA, INC.

Remove protective caps (1).

Fig 6: Identifying Protective Caps
G04766385Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove.

Installation: 

Use new self-locking nuts.

Tightening Torque. Refer to TRAILERS - TIGHTENING TORQUES - ALPINA .

Fig 7: Identifying Nuts
G04766386Courtesy of BMW OF NORTH AMERICA, INC.

Tilt top reversing housing (1) in direction of arrow towards rear. Slide out top reversing housing (1) and bottom reversing housing with handbrake lever unit (2) in direction of arrow towards rear.

Fig 8: Tilting Top Reversing Housing
G04766387Courtesy of BMW OF NORTH AMERICA, INC.

Remove holder (1) towards bottom.

Fig 9: Removing Holder
G04766388Courtesy of BMW OF NORTH AMERICA, INC.

Pull drawbar member (1) in direction of arrow and pull out overrunning equipment (2) in direction of arrow towards front.

Fig 10: Pulling Out Drawbar Member
G04766389Courtesy of BMW OF NORTH AMERICA, INC.

Remove spacer tubes (1) and threaded pins (2) from guide bush (3).

Fig 11: Identifying Spacer Tubes, Threaded Pins And Guide Bush
G04766390Courtesy of BMW OF NORTH AMERICA, INC.

Press pins (1) inwards. Detach counter support (2) and guide bush (3).

Maintenance: 

Grease tow tube (4) and attach guide bush (3).

Installation: 

Secure counter support (2) with new clamping sleeves to tow tube (4).

Fig 12: Identifying Pins, Counter Support, Guide Bush And Tow Tube
G04766391Courtesy of BMW OF NORTH AMERICA, INC.

Insert spacer tubes (1) and threaded pins (2) in guide bush (3).

Make sure spacer tubes (1) are correctly seated in guide bush (3).

Fig 13: Identifying Spacer Tubes, Threaded Pins And Guide Bush
G04766392Courtesy of BMW OF NORTH AMERICA, INC.

Using a screwdriver, link spacer tubes (1) and shock absorber located in tow tube. This ensures that the shock absorber remains in the correct installation position. Pull drawbar member (2) in direction of arrow and push in overrunning equipment (3) in direction of arrow towards rear.

Fig 14: Pulling Drawbar Member
G04766393Courtesy of BMW OF NORTH AMERICA, INC.