32 00 155 KDS wheel alignment check with ride height measurement without vehicle load

IMPORTANT: Do not perform wheel alignment without loading the vehicle:

If the technical prerequisites for alignment with ride height input are not fulfilled
If the vehicle in question is a damaged vehicle

NOTE:

Read and comply with GENERAL INFORMATION AND DEFINITIONS .
Update KDS DATA STATES
Check compliance with TEST CONDITIONS , repair vehicle if necessary.

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.

NOTE: Rotary plates may vary from illustration depending on the manufacturer!

Fig 1: Identifying Rotary And Sliding Plates
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Vehicles with active steering:
Start up active steering prior to wheel alignment!
On vehicles with rear axle slip angle control:
Service function "Moving HSR actuator to center position" is included in active steering start-up.

Attach pickup/ride height marks to vehicle (observe specifications from the various equipment manufacturers).

IMPORTANT: Use only quick connectors with poly control pins (1).
No other quick connect units without poly control pins are permitted due to measuring inaccuracies that are too great!
Illustration of KDS II pickup

Fig 2: Identifying Poly Control Pins

Courtesy of BMW OF NORTH AMERICA, INC.

Enter customer and vehicle data
Identify CHASSIS VERSION and select vehicle
Enter tire inflation pressure and tread depth
Measure and enter VEHICLE RIDE HEIGHT with tape measure (only Beissbarth KDS II wheel alignment equipment)
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
Install brake tensioner.

Fig 3: Securing Brake Pedal With Pedal Support
Courtesy of BMW OF NORTH AMERICA, INC.
Remove locking pins from both rotary and sliding plates
Perform input measurement in accordance with equipment manufacturer's instructions.
If necessary, adjust front axle and rear axle. See ADJUSTING TOE-IN AND CAMBER ON FRONT AXLE and ADJUSTING 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 chassis/wheel alignment system

Only in event of customer complaint (e.g. poor driving performance):

IMPORTANT: Do not remove screws/bolts (front axle support to engine support or body)!

Slacken all screws/bolts (front axle support to engine support or body) and then retighten to specified torque.

Refer to LOWERING FRONT AXLE SUPPORT .