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.
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Fig. 25: Identifying Wheel On Wheel Balancing Machine
Use BMW-approved centering elements of relevant balancing machine manufacturers.
- Basic flange
- Wheel centering element
- Type flange
- Clamping nut
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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.
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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.
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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.
- Spring retainer
- 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.
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Fig. 29: Identifying Spring Retainer And Balance Weight
NOTE: When using adhesive weights, proceed as follows:
- Carefully remove any adhesive weights. Do not damage rim when doing so.
- Select suitable location for fitting.
- Clean adhesive area thoroughly.
READ NEXT:
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
General Information On Light Alloy Disc Wheels
NOTE: It is sometimes difficult to distinguish light alloy disc wheels
visually from steel
disc wheels.
Identifying features:
Sticker on light alloy disc wheel. (1) = Indication "Aluminium"
Wall t
SEE MORE:
Checking Camshaft Timing On Left Side (N63)
Notes
IMPORTANT: The timing can only be checked with special tool 11 9 900.
The timing may be misinterpreted if it is checked without special tool 11 9 900.
Cylinders 5-8:
Necessary preliminary work
Remove left CYLINDER HEAD COVER
Remove FAN COWL with electric fan
Remove BELT PULLEY for air con
Vehicle key- Malfunction
General information
A Check Control message is displayed.
Vehicle key recognition by the vehicle may malfunction
under the following circumstances:
The battery of the vehicle key is discharged.
Interference of the radio connection from
transmission towers or other equipment with
high transmitt
