BMW X3 Service & Repair Manual: Remove or install front or rear wheel

Special tools required:

• 36 1 300
• 81 25 2 344 011
• 36 1 335
• 36 1 010

IMPORTANT: Wheel was balanced electronically.

Observe safety information on raising the vehicle.

Adhere to the instructions on initializing the Run Flat Indicator (RPA).

During the installation of all four wheels (e.g. when changing from summer to winter wheels), the tire pressure must be checked! Observe the notes on tolerance compensation for the tire pressure control!

Observe the following procedure to prevent clamping errors and imbalance:

• Loosen wheel studs.
• Wheel positioned with valve facing down.
• If several wheels are simultaneously removed, mark installation position of wheels on tires (e.g. with a piece of chalk).
• Mark out wheel to wheel hub.
• Mark out lockable wheel stud in relation to wheel.
• Unscrew wheel studs. Remove wheel.

IMPORTANT: Some of the rim styling must be positioned in a certain direction! Observe direction-of-rotation arrow on the wheel rim.

IMPORTANT: Contact surfaces between:

• brake disc and wheel rim,
• brake disc and wheel hub,

must be clean and free from grease.

Remove dirt, grease residues and corrosion from contact surface with a drill and special tool 81 25 2 344 011.

IMPORTANT: Do not operate special tool 81 25 2 344 011 with an impact screwdriver!

NOTE: Degrease contact surface with universal cleaner.

NOTE: If there are grease residues in the area of the wheel stud hole, the brake disc must be removed and cleaned.

Remove dirt, grease residues and corrosion from contact surface with a drill and special tool 81 25 2 344 011.

IMPORTANT: Do not operate special tool 81 25 2 344 011 with an impact screwdriver!

NOTE: Degrease contact surface with universal cleaner.

Check brake disc retaining bolt (1) for tight fit.

IMPORTANT: Mounting bolt (1) must not under any circumstances protrude over contact surface (2) between brake disc and wheel rim.

Tightening torque brake disc retaining bolt:

• Front axle 34 11 1AZ
• Rear axle 34 21 1AZ

Apply a thin coat of grease to wheel centering (1) in wheel rim.

NOTE: To release and tighten lockable wheel bolts, use a matching adapter from special tool 36 1 300, 36 1 335 or 36 1 010.

Clean wheel studs and check threads for damage, replace, if necessary.

Replace rusty wheel studs.

IMPORTANT: Do not apply oil to wheel studs.

IMPORTANT: Under no circumstances use pneumatic or electric screwdrivers to install and tighten the wheel studs.

IMPORTANT: Wheel rim must rest uniformly against the brake disc.

In the case of non-original BMW wheel studs/rims it may be necessary to retighten the wheel studs on account of setting properties (refer to manufacturer's documents).

Tightening specifications:

1. Screw in wheel bolts and evenly tighten crosswise by hand in order to center the wheel rim.

2. Tighten down wheel studs in crosswise sequence with a calibrated torque wrench to prescribed tightening torque 36 10 1AZ .

3. Check all the wheel bolts in the same order or retighten to the prescribed tightening torque again.