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.
Fig. 30: Identifying Disc Wheel On Wheel Balancing Machine
Use suitable wheel centering element supplied with corresponding balancing
machine.
- Basic flange
- Wheel centering element
- Type flange
- Clamping nut
Fig. 31: Identifying Basic Flange, Wheel Centering Element, Type Flange,
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.
Fig. 32: Measuring Max. Radial Runout Using Dial Gauge
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.
Fig. 33: Measuring Max. Lateral Runout Using Dial Gauge
IMPORTANT: Avoid transformation errors during subsequent installation
tasks.
READ NEXT:
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
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD protection).
Necessary preliminary tasks
Remove right LUGGAGE COMPARTMENT WHEEL ARCH PANEL.
Disconnect plug con
Necessary preliminary tasks
Remove front left UNDERBODY PANELLING
Disconnect plug connection (1).
Gently press retaining tabs apart in direction of arrow and remove RDC aerial
(2).
Fig. 46: Pres
SEE MORE:
IMPORTANT: In vehicles with active steering, steering angle sensor
adjustment is integrated
in the service function INITIAL OPERATION/ADJUSTMENT FOR ACTIVE
STEERING and must not be carried out separately!
NOTE: Steering angle sensor adjustment must be carried out:
after replacement of following c
REPLACING SELECTOR SHAFT SEAL (GA6HP26Z)
Notes
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL.
Use only the approved TRANSMISSION FLUID.
Failure to comply with this requirement will result in serious damage to the
automatic transmission!
Necessary preliminary tasks
Remove rear