36 10 300 Removing or installing front or rear wheel

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NOTE:

For Special Tool identification, see WHEEL AND TIRES - SPECIAL TOOLS - COOPER (1.6L) R50/W10 .

Special Tools Required:

36 1 250
36 1 300

IMPORTANT: Wheel was balanced electronically.

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

Observe the following procedure to prevent shift errors and imbalance:

Loosen wheel bolts.
The wheel is positioned such that the valve is at the bottom.
If several wheels are removed simultaneously, mark with a piece of chalk on each tire the axle and side on which the corresponding wheel is fitted.
Mark alignment of wheel with respect to wheel hub.
Mark position of lockable wheel bolt.
Release wheel bolts and remove wheel.

IMPORTANT: Contact surfaces between:

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

Fig 1: View Of Wheel

Courtesy of BMW OF NORTH AMERICA, INC.

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 face with universal cleaner. The brake disk must be removed and cleaned if grease residue is found in the area of the holes for the wheel bolts. Refer to 34 11 220 REMOVING AND INSTALLING/REPLACING BOTH FRONT BRAKE DISKS and 34 21 320 REMOVING AND INSTALLING/REPLACING BOTH BRAKE DISKS .

Fig 2: Identifying Contact Face And Special Tool 36 1 250

Courtesy of BMW OF NORTH AMERICA, INC.

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 face with universal cleaner.

Fig 3: Locating Contact Face And Special Tool 36 1 250

Courtesy of BMW OF NORTH AMERICA, INC.

Check firm fit of brake disc retaining screw (1).

IMPORTANT: On no account must the retaining screw (1) protrude over contact surface (2) between brake disk and disk wheel. Front axle: Tightening torque, (27 N.m.). Rear axle: Tightening torque, (27 N.m.).

Fig 4: Identifying Brake Disc Retaining Screw

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: View Of Wheel Centering In Disk Wheel

Courtesy of BMW OF NORTH AMERICA, INC.

Wheel bolts with tapered collar:

Wheel bolt - galvanized.
Wheel bolt - black chrome-plated.
Wheel bolt - black chrome-plated and lockable.
Lockable wheel bolt with adapter, black chrome-plated.

NOTE: Use matching adapter from special tool kit 36 1 300 (wheel bolt adapter set) to release and tighten down lockable wheel bolt.

Fig 6: Identifying Wheel Bolts With Tapered Collar

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

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

Replace rusty wheel bolts.

IMPORTANT: The disc wheel must rest uniformly against the brake disc. Fit wheel bolts and evenly tighten crosswise by hand in order to center the disc wheel. Use a torque wrench to evenly tighten wheel bolts in a crosswise sequence. Tightening torque, refer to 36 10 1AZ in WHEEL AND TIRES - TIGHTENING TORQUES .

Fig 7: Tightening Wheel Bolts

Courtesy of BMW OF NORTH AMERICA, INC.