7.2 Preparatory work

Before commencing the measurement, preparatory work must be carried out at the measuring area and on the vehicle. Preparatory work includes:

• Easy-running rotating and sliding plates
• Aligning the rotating and sliding plates in relation to the track width and wheelbase
• Centering the vehicle on the plates
• Applying the parking brake
• Removing the lock pins on the plates to prevent tension in the chassis under loading
• Checking the rim and tire size, tread depth, tire pressure, steering wheel play, wheel bearings and condition of suspension and shock absorbers
• Fastening the measuring equipment to the wheels
• Loading the vehicle according to BMW KDS specifications
• Rock the vehicle firmly with the brakes released to ensure a stable center position
• Lock the service brake using the brake clamping device