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:
Read contents of BODY, GENERAL.
STRIP DOWN VEHICLE.
Place vehicle on straightening bench.
These repair instructions comprise the procedures for REPAIR STAGE 3.
Following new body parts are required:
Luggage compartment floor, rear
Side member, left and right
Extension, side member, left and
Input/output - Outside Mirrors
Fig. 88: Outside Mirrors Input/Output System Diagram
COMPONENTS DESCRIPTION CHART
Instrument cluster
Footwell module FRM
Outside temperature sensor
Junction box electronics JB
Outside mirror, passenger's side
Mirror adjustment switch in driver's door switch clu