36 11 533 Removing And Installing / Replacing RDC Wheel Electronics

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If a tyre sealant has been used, replace the wheel electronics.

When a tyre 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.

IMPORTANT:

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

Necessary preliminary tasks:

Remove tyre . See CHANGING A TYRE (ON FRONT, REAR OR SPARE WHEEL) , or REPLACING A RUNFLAT TYRE .

Follow instructions on initializing RUN FLAT INDICATOR .

Labelling 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
Date of manufacture of wheel electronics

Fig 1: Identifying Labelling Of Wheel Electronics Components

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Removing wheel electronics

Release Torx socket screw (1).

Remove wheel electronics (2).

Fig 2: Identifying Wheel Electronics And Torx Socket Screw

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

NOTE:

Wipe filter surface with a clean cloth only.

The wheel electronics must be replaced if the filter surface is contaminated.

Fig 3: Identifying Filter Surface

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

Remove valve insert from rim.

Fig 4: Identifying Special Tool (00 2 190)

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Remove washer (1).

Fig 5: Identifying Washer

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Installing wheel electronics

Insert new Torx socket screw (1) in wheel electronics (2) and secure firmly.

Twist new valve insert (3) by hand approx. 3 turns onto screw.

NOTE:

Do not tighten screw; wheel electronics and valve insert must be loosely joined together.

Fig 6: Identifying Torx Socket Screw, Valve And Wheel Electronics

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Insert valve insert with wheel electronics into cleaned valve bore.

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

Fig 7: Locating Ball Head

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

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

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

Tightening torque: 36 11 2AZ . See WHEEL RIMS for specs.

IMPORTANT:

The screw connection must be tightened to the specified torque in one go!

Do not under any circumstances retighten the screw connection!

Remove brace, otherwise it may damage the tyre.

Fig 8: Identifying Valve Into Valve Bore

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

Tightening torque: 36 11 3AZ . See WHEEL RIMS for specs.

IMPORTANT:

The screw connection must be tightened to the specified torque in one go!

Do not under any circumstances retighten the screw connection!

Fig 9: Locating Wheel Electronics Torx Socket Screw

Courtesy of BMW OF NORTH AMERICA, INC.