BMW 7 Series: KDS Chassis/Wheel Alignment Check With Ride Height Measurement
Without Vehicle Load
NOTE:
- Read and comply with GENERAL INFORMATION AND DEFINITIONS.
- Read and comply with GENERAL CHASSIS DEFINITION.
- Update KDS DATA STATUS.
- Vehicles with active steering: Start up active steering prior to
wheel
alignment.
NOTE:
- For vehicles with rear axle slip angle control
(F01/F02/F07/F10/F11):
During measurement, move HSR actuator with BMW diagnosis system to
center position "0" (see Service function/Chassis/HSR/Wheel alignment).
- Check compliance with TEST CONDITIONS, repair vehicle if
necessary.
- If the ride height is outside the tolerance range (+40/-20 mm),
load or
unload vehicle accordingly to adjust the vehicle in this ride-height
window
- If necessary, prepare vehicle hoist.
- Drive vehicle onto vehicle hoist.
NOTE: The front and rear wheels must be positioned centrally on the rotary
and
sliding plates.
- Remove locking pins from both rotary and sliding plates.
Fig. 18: Identifying Rotary And Sliding Plates Locking Pins (3200155)
IMPORTANT: Use quick-clamping holders with poly control arm bushings only.
Due to excessive measuring inaccuracy, other quick-clamping units are not
permitted!
Fig. 19: Identifying Quick-Clamping Holders With Poly Control Arm Bushings
(3200155)
- Attach quick-clamping holder unit to vehicle and remove clamping levers
in area of front wheels
- Attach pickup to quick-clamping holder, align using bubble level and
connect to turntables
Fig. 20: Removing Front Wheel Clamping Lever Using Quick-Clamping Holder
(3200155)
- If necessary, attach spoiler adapter.
Fig. 21: Identifying Spoiler Adapter (3200155)
Fig. 22: Locating Brake Tensioner (3200155)
- Enter customer and vehicle data
- Identify chassis version and select vehicle
- Enter tire inflation pressure and tread depth
- Measure and enter VEHICLE RIDE HEIGHT
If the ride height is outside the tolerance range (+40/-20 mm), load or
unload vehicle accordingly to
adjust the vehicle in this ride-height window
- Perform input measurement in accordance with equipment manufacturer's
instructions.
- If necessary, adjust front axle and rear axle.
- Perform output measurement in accordance with equipment manufacturer's
instructions.
- Save and print out test record.
- Insert locking pins into both rotary and sliding plates
- Remove wheel alignment system
READ NEXT:
NOTE:
Note general notes and GENERAL DATA
Note GENERAL DRIVE TRAIN DEFINITION
Update KDS DATA VERSIONS
NOTE:
For vehicles with rear axle slip angle control (F01/F02/F07)
During measurement
Determine actual ride height (A) _ to do so, attach tape measure to rim
flange (2) at bottom middle and measure
to wheel arch lower edge (1).
Fig. 28: Identifying Actual Ride Height From Rim Flange
WARNING: If the engine hood/bonnet contact is pulled upwards (workshop
mode),
the information "switch closed" is output. The automatic engine
start_stop function is active.
An automatic engine start
SEE MORE:
WARNING: Danger of scalding! Work on the cooling system should only be
carried
out when the engine has cooled down.
IMPORTANT: Wear protective gloves and safety goggles.
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant.
When replacing and removing components which rely on the corrosio
Safety information
Warning
The washer fluid can freeze onto the window at
low temperatures and obstruct the view. There
is a risk of accident. Only use the washer systems,
if the washer fluid cannot freeze. Use
washer fluid with antifreeze, if needed.
NOTICE
When the washer fluid reservoir is empt