86 10... Removing overrunning equipment/maintaining or replacing guide bush/installing overrunning equipment

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2013 BMW 135i, 2013 BMW 128i, 2012 BMW 135i, 2012 BMW 128i, and 2011 BMW 135i. 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 86 10 10AZ, see 86 10 PLATFORM

Fig 1: Identifying Running Board Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Tension Spring And Tension Spring Mount

Courtesy 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

Courtesy 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:

Tightening Torque for jockey wheel mount (1),

refer to 86 10 11AZ, see 86 10 PLATFORM

Tightening Torque for wiring harness mount (2),

refer to 86 10 12AZ, see 86 10 PLATFORM

Fig 4: Identifying Jockey Wheel Mount Screws And Wiring Harness Mount

Courtesy 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 86 10 13AZ, see 86 10 PLATFORM

Fig 5: Pulling Gaiter

Courtesy of BMW OF NORTH AMERICA, INC.

Remove protective caps (1).

Fig 6: Identifying Protective Caps

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove.

Installation:

Use new self-locking nuts.

Tightening Torque,

refer to 86 10 14AZ, see 86 10 PLATFORM

Fig 7: Identifying Protective Caps Nuts

Courtesy 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

Courtesy of BMW OF NORTH AMERICA, INC.

Remove holder (1) towards bottom.

Fig 9: Removing Holder

Courtesy 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 Drawbar Member

Courtesy 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

Courtesy 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 And Guide Bush

Courtesy 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

Courtesy 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

Courtesy of BMW OF NORTH AMERICA, INC.