36 10 300 Removing or installing front or rear wheel
Special tools required:
When fitting all four wheels (e.g. when changing from summer to winter wheels), check the tire pressure.
To avoid tire damage, advise the customer to check the tire pressures on a regular basis.
Follow instructions on initializing RUN FLAT INDICATOR (RPA).
After completing installation, check again that all wheel bolts are tightened to specified torque.
Tightening torque: see 1AZ in 36 10 WHEELS .
Observe the following procedure to prevent clamping errors and imbalance:
- Loosen wheel bolts.
- Wheel positioned with valve facing down.
- If several wheels are removed simultaneously, mark the installation locations of the wheels on the tires (e.g. with chalk).
- Mark out wheel to wheel hub.
- Mark out lockable wheel bolt in relation to wheel.
- Release wheel bolts, remove wheel.
- between brake disc and disc wheel
- between brake disc and wheel hub
Remove dirt, grease residues and corrosion from contact surface with a drill and special tool81 25 2 344 011.
Check brake disc retaining bolt (1) for tight fit.
Tightening torque:
For front axle refer to 1AZ in 34 11 FRONT BRAKE .
For rear axle refer to 1AZ in 34 21 REAR BRAKE .
Apply a thin coat of grease to wheel centering (1) in disc wheel.
Wheel studs with taper:
- Wheel bolt - galvanized
- Wheel bolt - black chrome plated
- Wheel bolt - black chrome plated and lockable
- Lockable wheel stud with adapter, black chrome-plated
Clean wheel bolts and check threads for damage, replace, if necessary.
Replace rusty wheel bolts.
Tighten down wheel bolts with a calibrated torque wrench to prescribed tightening torque.
Tightening torque: see 1AZ in 36 10 WHEELS .
Disc wheel must rest uniformly against 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).
Fit wheel studs and evenly tighten crosswise by hand in order to center the disc wheel.
Tighten down wheel studs in crosswise sequence with a calibrated torque wrench to prescribed tightening torque.
Tightening torque: see 1AZ in 36 10 WHEELS .
The wheel cover can be removed for cleaning and removal of foreign objects.
Fit special lever tool 36 1 120 (3) as shown on rim (1) (near valve).
Engage removal fork of special tool 36 1 120 (3) in wheel cover (2).
Pull off wheel cover (2) with handle of special lever tool 36 1 120 (3).