36 11 533 Removing and installing/replacing RDC wheel electronics

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If a tire sealing fluid has been used, replace the wheel electronics.
When a tire has been removed, do not clean the rim with installed wheel electronics with high-pressure cleaning equipment.
Do not treat wheel electronics with solvents, cleaning agents etc. If dirty, wipe with a clean cloth only.
Do not clean wheel electronics with compressed air.

CAUTION: If the wheel electronics have been removed, the complete valve must be replaced.

Remove tires,

refer to36 12 001 CHANGING A TYRE (ON FRONT, REAR OR SPARE WHEEL) .

Labeling of wheel electronics

Transmitting frequency of wheel electronics
Large Torx socket
BMW part number
Tightening torque of Torx screw and union nut
Width across flats of union nut
Identification code of wheel electronics
Manufacture date of wheel electronics

Fig 1: Identifying Labeling Of Wheel Electronics

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Removing wheel electronics

Release Torx socket screw (1).

Remove wheel electronics (2).

Fig 2: Removing Wheel Electronics

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Check filter surface (1) for pressure measurement for contamination.

NOTE: Wipe filter surface with a clean cloth only. If filter surface is dirty, replace wheel electronics.

Fig 3: Checking Filter Surface For Pressure Measurement For Contamination

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Release union nut with special tool 00 2 190; if necessary, grip valve body (1) at cylindrical section of ball head.

Remove valve body from rim.

Fig 4: Griping Valve Body At Cylindrical Section Of Ball Head

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Remove washer (1).

Fig 5: Removing Washer

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Installing wheel electronics

Insert new Torx socket screw (1) in wheel electronics (2) and grip firmly, screw new valve body (3) by hand approx. 3 turns onto screw.

NOTE: Do not tighten screw; wheel electronics and valve body housing must be loosely joined together.

Fig 6: Inserting Torx Socket Screw In Wheel Electronics

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Insert valve body with wheel electronics into cleaned valve bore.

Here the radial bore for gripping on the circumference of the valve body ball head must point outwards.

Fig 7: Inserting Valve Body With Wheel Electronics Into Cleaned Valve Bore

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Insert the brace supplied with the valve into the valve body bore.

Fit new washer and screw on new union nut by hand as far as it will go.

Tighten union nut, using brace to prevent valve body from twisting.

Tightening torque,

refer to WHEEL AND TIRES - TIGHTENING TORQUES .

NOTE: Remove brace, otherwise it may damage the tire.

Fig 8: Inserting Brace Supplied With Valve Into Valve Body Bore

Courtesy of BMW OF NORTH AMERICA, INC.

Press wheel electronics gently into well base and tighten Torx socket screw (1).

Tightening torque,

refer to WHEEL AND TIRES - TIGHTENING TORQUES .

Fig 9: Pressing Wheel Electronics Gently Into Well Base & Tightening Torx Socket Screw

Courtesy of BMW OF NORTH AMERICA, INC.