36 10 300 Removing or installing front or rear wheel: Procedure

IMPORTANT: Wheel was balanced electronically.

Follow instructions on initializing Run Flat Indicator (RPA). Refer to 36 11 000 INITIALIZING TYRE DEFECT INDICATOR (RPA) .

Observe the following procedure to prevent shift errors and imbalance:

Loosen wheel bolts.
Wheel positioned with valve facing down.
If several wheels are simultaneously removed, mark installation location of wheels on tires (e.g. with a piece of chalk).
Mark wheel with respect to wheel hub.
Mark out lockable wheel bolt in relation to wheel.
Release wheel bolts and remove wheel.

Fig 1: Identifying Wheel Bolts
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IMPORTANT: Contact surfaces between:

Brake disk and disk wheel.
Brake disk and wheel hub must be free from grease.

Remove dirt, grease residues and corrosion from contact face (1) with a drill and special tool 36 1 250.

IMPORTANT: Do not operate special tool 36 1 250 with an impact screwdriver!

NOTE: Degrease contact surface with universal cleaner.

NOTE: If there are grease residues in the area of the wheel bolt bores, the brake disk must be removed and cleaned.

Remove dirt, grease residues and corrosion from contact face (1) with a drill and special tool 36 1 250.

Fig 2: Removing Dirt, Grease Residues And Corrosion From Contact Face (Hub Side)

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IMPORTANT: Do not operate special tool 36 1 250 with an impact screwdriver!

NOTE: Degrease contact surface with universal cleaner.

Fig 3: Removing Dirt, Grease Residues And Corrosion From Contact Face (Wheel Side)

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Check brake disk retaining bolt (1) for secure seating.

IMPORTANT: Brake disk retaining bolt must under no circumstances protrude over contact face (2) between brake disk and disk wheel.

Fig 4: Identifying Brake Disc Retaining Bolt

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Tightening torque brake disk retaining bolt:

Front axle, refer to 34 11 1AZ in WHEEL AND TIRES - TIGHTENING TORQUES .
Rear axle, refer to 34 21 1AZ in WHEEL AND TIRES - TIGHTENING TORQUES .

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

Fig 5: Identifying Wheel Center

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NOTE: Refer to BMW SERVICE OPERATING FLUIDS, MAIN GROUP 36 .

IMPORTANT: E53: Use only wheel bolts with a separate taper (1).

Fig 6: Identifying Wheel Bolts For E53 Models

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

Replace rusty wheel bolts.

IMPORTANT: Do not apply oil to new wheel bolts.

In the case of used wheel bolts, apply an extremely thin coating of engine oil to the threads and tapers before reinstalling them.

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

IMPORTANT: The disc wheel must rest uniformly against the brake disc.
Screw in wheel bolts and tighten by hand in diagonal sequence to center disk wheel.
Using torque wrench, tighten down wheel bolts in diagonal and even sequence.
Tightening torque, refer to 36 10 1AZ in WHEEL AND TIRES - TIGHTENING TORQUES .

Fig 7: Tightening Wheel Bolt

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