BMW 7 Series: Checking Rim For Lateral And Radial Runout
Necessary preliminary tasks
- Remove WHEEL
- Check WHEEL for lateral and radial runout
- Remove TYRE from disc wheel
- Remove dirt from rim well and rim flange
IMPORTANT: Disc wheels are not allowed to be repaired!
Mount disc wheel in balancing machine.
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Fig. 10: Identifying Disc Wheel In Balancing Machine
Use suitable wheel centering element supplied with corresponding balancing machine.
- Basic flange
- Wheel centering element
- Type flange
- Clamping nut
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Fig. 11: Identifying Basic Flange, Type Flange, Wheel Centering Element And
Clamping Nut
Place dial gauge sensor on rim shoulder.
Turn wheel by hand and measure max. radial runout.
Carry out measurement on both rim shoulder sides.
NOTE: Dial gauge must be vertical to rim shoulder.
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Fig. 12: Identifying Dial Gauge Sensor On Rim Shoulder
Position sensor on rim flange.
Turn wheel by hand and measure max. lateral runout of rim with special tool 36 1 030 (measuring fixture).
Carry out measurement on both rim flanges.
NOTE: Dial gauge must be vertical to rim flange.
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Fig. 13: Measuring Max. Lateral Runout Using Dial Gauge Sensor
IMPORTANT: Avoid transformation errors during subsequent installation tasks.
READ NEXT:
General Notes On Wheel And Tires (BMW Alpina B7)
NOTE:
Pay attention to released wheel and tire combinations for BMW ALPINA.
The valve for checking the tire inflation pressure is located under
the hub
cap.
Removing the hub cap
Press on emble
Remove Or Install Front Or Rear Wheel
Notes
IMPORTANT: Wheel was balanced electronically.
Observe safety instructions on raising the vehicle.
Follow instructions on initializing Run Flat Indicator (RPA).
When fitting all four wheels (e
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 inflatio
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Checking Front And Rear Wheel For Lateral And Radial Runout
Necessary preliminary tasks
Check wheel bearings
Lift vehicle.
Check wheel with special tool 36 1 030 (measuring fixture) for lateral runout.
Fig. 1: Checking Wheel Lateral Runout Using Special Tool (36 1 030)
Check wheel with special tool 36 1 030 (measuring fixture) for radial runout.
Fig. 2
