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. 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
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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.
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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.
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Fig. 33: Measuring Max. Lateral Runout Using Dial Gauge
IMPORTANT: Avoid transformation errors during subsequent installation tasks.
READ NEXT:
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
Removing And Installing RDC (Tyre Pressure Control) Control Unit
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
Removing And Installing/Replacing RDC Reception Aerial
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:
Auto Start/Stop function- Starting the engine
Functional requirements
Steptronic transmission
The engine starts automatically under the following
preconditions:
By releasing the brake pedal.
When Automatic Hold is activated: press the
accelerator pedal.
Driving off
After the engine starts, accelerate as usual.
Safety mode
After the engine
RSE Control Unit
Fig. 14: Identifying Front And Rear View Of RSE Control Unit
INDEX REFERENCE CHART
ON/OFF switch, left
Jack plug for hard-wired headphone, left
AV input, left (yellow: video, white:audio signal, left, red: audio
signal, right)
Slot in DVD player
AV input, right
Jack plug for hard-wired hea
