32 00 155 KDS chassis/wheel alignment check with ride-height measurement without load

IMPORTANT: Do not carry out chassis/wheel alignment without load:

if the technical requirements for alignment with ride height input are not in place
if, in spite of repairs having been carried out, the car's ride height between the left and right sides is still outside the tolerance
if the vehicles in question have been involved in an accident

NOTE:

Read and comply with General information and definitions, see 32 00... General information and definitions .
Read and comply with General chassis definition, see 32 00... General chassis and suspension definitions .

Check compliance with test conditions, bring vehicle to a stop if necessary, see 32 00... Test conditions for chassis/wheel alignment check .
If necessary, prepare lifting platform.
Drive vehicle onto lifting platform.
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, align pickup using bubble level and activate

Fig 1: Lifting Platform
Courtesy of BMW OF NORTH AMERICA, INC.
If necessary, switch on chassis alignment system
Enter customer and vehicle data
Identify chassis version and select vehicle, see 32 00... Identification of suspension without label .
Enter tire pressure and tread depth
Measure and enter vehicle ride height
Attach quick-clamping holder/quick-clamping unit to vehicle and remove clamping levers in area of front wheels
Attach pickup to quick-clamping holder/quick-clamping unit, align using bubble level and connect to rotary plates
NOTE: When using quick-clamping units, perform rim runout compensation after installing the pickups, see 32 00... Performing rim runout compensation .

Fig 2: Attaching Quick-Clamping Holder/Quick-Clamping
Courtesy of BMW OF NORTH AMERICA, INC.
If necessary, attach spoiler adapter.

Fig 3: Spoiler Adapter
Courtesy of BMW OF NORTH AMERICA, INC.
Install brake tensioner.

Fig 4: Locating Brake Tensioner

Courtesy of BMW OF NORTH AMERICA, INC.

E87, E90, E91, E92:

IMPORTANT: Risk of damage!

In order to avoid damaging the front side panel during the "Max. steering lock" drive-in routine, make sure the pickups are removed from the quick-clamping holders/quick-clamping units during output and input alignment. In the process do not detach the connecting cable from the pickups or the rotary plates.

NOTE: After the drive-in routine, reconnect the pickups to the quickclamping holders/quick-clamping units, align using the bubble levels and secure in place.

Perform input measurement in accordance with equipment manufacturer's instructions.
Compare specified values with actual values, see 32 00 CHASSIS/WHEEL ALIGNMENT - NORMAL POSITION E83 .

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

IMPORTANT: Do not remove screws/bolts (front axle carrier to engine carrier / body).

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

Refer to 31 11 506 LOWERING/RAISING FRONT AXLE CARRIER .

If necessary, adjust front axle and rear axle, see 32 00 610 Adjusting toe-in and camber on front axle .
Perform output measurement in accordance with equipment manufacturer's instructions.
Save and print out test record.
Carry out steering angle sensor adjustment, see 61 31 996 Carry out steering angle sensor adjustment .
Insert locking pins into both rotary and sliding plates
Remove chassis/wheel alignment system
Drive vehicle off lifting platform.