BMW X3 Service & Repair Manual: Kds chassis/wheel alignment check with vehicle load up to design position

IMPORTANT:

Carry out wheel alignment with DIN load only :

• 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.
• Read and comply with GENERAL CHASSIS DEFINITION.
• 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!

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).

Due to excessive measuring inaccuracy, other quick-clamping units are not permitted! Illustration of KDS II pickup

• Enter customer and vehicle data.
• Identify chassis version and select vehicle.
• Enter tire inflation pressure and tread depth.
• Move VEHICLE INTO DESIGN POSITION.
• Install brake tensioner.

• 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 .
• 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.

KDS DATA STATUSES

Setpoint values for wheel alignment are not published in ISTA.

The current setpoint values are made available in the workshop equipment portal.