BMW 2009 X3 Bedienungshandbuch PDF herunterladen (Seite 120)

Replacing components

118

Inserting compact wheel

The compact wheel is reinserted in the reverse

sequence of its removal.

When attaching the retaining strap to the

compact wheel, make sure the belt is

threaded through 2 rim openings, with one

unoccupied hole between them; otherwise, the

compact wheel could come loose in an acci-

dent.<

Preparing wheel change

1. Observe the safety precautions on

page 117.

2. Secure the vehicle to prevent it from rolling:

Place the wheel chock behind the front

wheel on the side of the vehicle opposite

the side being raised. If the vehicle is parked

on a downward slope, place the wheel

chock securely in front of this wheel. If the

road surface is steeply inclined, take addi-

tional preventive steps to stop the vehicle

from rolling.

3. Loosen the wheel lugs by a half turn.

Jacking up vehicle

1. Position the vehicle jack at the jacking point

closest to the wheel so that the entire sur-

face of the jack base perpendicularly con-

tacts the ground under the jacking point.

The vehicle jack is designed for

changing wheels only. Do not attempt

to raise another vehicle model with it or to

raise any load of any kind. To do so could

cause accidents and personal injury.<

2. Guide the jack head into the rectangular

recess of the jacking point when cranking

up, refer to drawing inset.

3. Jack the vehicle up until the wheel you are

changing is raised from the ground.

Mounting a wheel

1. Unscrew the lug bolts and remove the

wheel.

2. Remove accumulations of mud or dirt from

the mounting surfaces of the wheel and

hub. Clean the lug bolts.

3. Position the new wheel or compact wheel.

Secure the wheel by screwing at least two

lug bolts into opposite bolt holes. When you

mount wheels other than Genuine BMW

light-alloy wheels, different lug bolts may

also be required.

4. Screw in the remaining lug bolts. Tighten all

the bolts securely in a diagonal pattern.

5. Lower the jack and remove it from beneath

the vehicle.

After mounting

1. Tighten the lug bolts in a diagonal pattern.

To ensure safety, always have the lug

bolts checked with a calibrated

torque wrench as soon as possible to

ensure that they are tightened to the speci-

fied torque. The tightening torque is

101 lb ft/140 Nm.<

2. Stow the defective wheel in the cargo area.

3. Check and correct the tire inflation pressure

at the earliest opportunity.

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