86 10... Removing Brake Shoes

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 750i. However, it is still accessible from the selected car via links, so may be relevant.

The wheels of the multi-trailers must be able to rotate freely. Adjust and check brake system after installing brake shoes.

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

Fig 1: 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 nut (1) on pull rod (2) and remove hexagon nut. Slide brake compensator (3) towards rear.

Installation:

Use new self-locking nut.

Fig 2: Identifying Nut, Pull Rod And Brake Compensator

Courtesy of BMW OF NORTH AMERICA, INC.

Grip openings (1) in wheel trim (2) with both hands and pull off wheel trim (2).

Fig 3: Identifying Wheel Trim

Courtesy of BMW OF NORTH AMERICA, INC.

Release wheel bolts (1) and remove disk wheel (2).

Installation:

Tightening Torque: refer to 86 10 19AZ . See PLATFORM for specs.

Fig 4: Identifying Wheel Bolts And Disk Wheel

Courtesy of BMW OF NORTH AMERICA, INC.

Turn brake shoe adjusting screw (2) on brake carrier (1) in direction of arrow and release fully. The brake shoes do not rest against the drum.

Fig 5: Identifying Brake Shoe Adjusting Screw And Brake Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Lever off cap (1).

Fig 6: Identifying Cap

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) and remove. Pull off brake hub (2) with both hands.

Installation:

Only a new nut is permitted for reinstallation.

Tightening Torque: refer to 86 10 20AZ . See PLATFORM for specs.

Do not screw off brake hub under any circumstances.

Fig 7: Identifying Nut And Brake Hub

Courtesy of BMW OF NORTH AMERICA, INC.

To illustrate more clearly the work steps in Fig 8, Fig 9 and Fig 10, the wheel brake has been detached from the axle.

This procedure is not necessary for removing the brake shoes.

Push back cable (1).

Fig 8: Identifying Back Cable

Courtesy of BMW OF NORTH AMERICA, INC.

Remove shell (1).

Fig 9: Identifying Shell

Courtesy of BMW OF NORTH AMERICA, INC.

Remove brake cable (1) from mounting (2).

Fig 10: Identifying Brake Cable And Mounting

Courtesy of BMW OF NORTH AMERICA, INC.

Unhook pressure spring (1) from fixed brake shoe (2) and brake carrier (3).

Fig 11: Identifying Pressure Spring, Brake Shoe And Brake Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Remove tension spring (1) from both brake shoe fixtures (2).

Remove brake lever assembly (3).

Installation:

The fixed part of the brake lever assembly (3) is seated on the moving brake shoe. The moving part of the brake lever assembly is seated on the fixed brake shoe.

Fig 12: Identifying Tension Spring And Brake Shoe Fixtures

Courtesy of BMW OF NORTH AMERICA, INC.

Pull brake shoes (1) apart in direction of arrow, tilt forward and remove from adjustment device (2).

Installation:

Always replace the four shoes and use the same make.

Minimum lining thickness: 1.5 mm

Fig 13: Identifying Brake Shoes And Adjustment Device

Courtesy of BMW OF NORTH AMERICA, INC.

Check adjustment device (1).

Check wedge (2) and setting pins (3) for ease of movement and wear.

Apply grease if necessary.

Check brake cables for ease of movement and wear.

Fig 14: Identifying Wedge, Adjustment Device And Setting Pins

Courtesy of BMW OF NORTH AMERICA, INC.