BMW 7 Series: Stationary Wheel Balancing

Necessary preliminary work

• Remove WHEEL

IMPORTANT: Use only BMW-approved balance weights.

Remove any fitted balancing weights, stones in tread pattern and larger contaminants.

Check tire inflation pressure and tire for condition, damage, flat spots (out-of-round caused by e.g. parking of vehicle with tires which have run hot). If necessary, check WHEEL AND TYRE for radial and lateral runout.

Fig. 25: Identifying Wheel On Wheel Balancing Machine

Use BMW-approved centering elements of relevant balancing machine manufacturers.

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

Fig. 26: Identifying Basic Flange, Type Flange, Wheel Centering Element, Clamping Nut

IMPORTANT: To avoid retooling errors, it will be necessary to fit the wheel on the balancing machine in the same way (e.g. valve facing down) as it is then fitted on the car.

Balance wheel in accordance with operating instructions of relevant balancing machine.

On light-alloy rims with distinctive J-shape rim flange, proceed as follows:

1. Gently force off tire sidewall with special tool 36 1 020 at appropriate point from rim flange.

2. Install retaining clip (1).

3. Remove special tool 36 1 020.

Fig. 27: Installing Retaining Clip By Pressing Side Wall Of Tyre Using Special Tool (36 1 020)

Raise retaining clip with special tool. 36 1 010 Slide balance weight underneath and allow it to snap into place.

Fig. 28: Raising Retaining Clip Using Special Tool (36 1 010)

Arrangement of balance weights for light-alloy rims with distinctive J-shape rim flanges.

1. Spring retainer
2. Balance weight

Adhesive weights must be used on all other light-alloy rims.

Max. imbalance per wheel: see WHEELS TWO-PART ALLOY WHEELS , WHEELS ONE-PART ALLOY WHEELS , or WHEELS STEEL AND ALUMINIUM STRIP WHEELS.

Fig. 29: Identifying Spring Retainer And Balance Weight

NOTE: When using adhesive weights, proceed as follows:

1. Carefully remove any adhesive weights. Do not damage rim when doing so.
2. Select suitable location for fitting.
3. Clean adhesive area thoroughly.

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