Necessary preliminary tasks

• REMOVE WHEEL .

Mount wheel in balancing machine.

To avoid retooling errors, fit the wheel on the balancing machine in the same way as it is also fitted on the car (valve position facing down).

Fig 1: Mounting Wheel In Balancing Machine

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Use suitable wheel centering element supplied with corresponding balancing machine.

1. Basic flange
2. Wheel centering element
3. Type flange
4. Clamping nut

Fig 2: Identifying Basic Flange, Wheel Centering Element, Type Flange And Clamping Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Use special tool 36 1 030 for testing.

Special tool 36 1 030 consists of:

1. Standing base 36 1 031
2. Post with clamp 36 1 032
3. Holder with clamp 36 1 033
4. Clamp 36 1 034
5. Measuring roll 36 1 035
6. Dial gauge 36 1 036

Fig 3: Identifying Special Tool (36 1 030) Components

Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 36 1 030 on tire tread surface.

Turn wheel by hand and measure max. radial tire runout  . See WHEELS TWO-PART ALLOY WHEELS ; WHEELS ONE-PART ALLOY WHEELS or WHEELS STEEL AND ALUMINUM STRIP WHEELS .

Fig 4: Measuring Max. Radial Tyre Runout Using Special Tool (36 1 030)

Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 36 1 030 on tire sidewall.

Turn wheel by hand and measure max. lateral tire runout  . See WHEELS TWO-PART ALLOY WHEELS ; WHEELS ONE-PART ALLOY WHEELS or WHEELS STEEL AND ALUMINUM STRIP WHEELS .

Never measure on printed text on tire!

If necessary, CHECK DISC WHEEL (RIM) FOR RADIAL AND FACE RUNOUT .

Fig 5: Measuring Max. Lateral Tyre Runout Using Special Tool (36 1 030)

Courtesy of BMW OF NORTH AMERICA, INC.