Removing and installing/replacing wheel electronics (RDCi) (M4 Coupe)

Attention! 

Before removing and refitting, check which generation of wheel electronics is fitted! (See the applicable BMW parts catalogue)

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

If a tire sealant 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.

Before the installation of new wheel electronics with valve, thoroughly clean the valve bore of the wheel rim.

Do not treat wheel electronics with solvents, cleaning agents etc. If dirt or other contamination is present, wipe with a clean cloth only.

Do not clean wheel electronics with compressed air.

When tire sealant is used, the installed wheel electronics must necessarily be replaced.

Necessary preliminary tasks: 

• Remove TIRE .

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Labelling of wheel electronics (RDCi) 

1. FCC ID = radio authorization
2. Pressure sensor
3. Data Matrixcode
4. Production date of wheel electronics
5. Transmission frequency
6. Wheel electronics ID
7. BMW part number

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Removal: 

RB36 00024

Removing wheel electronics 

Release union nut (1).

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Remove wheel electronics and valve (1) from valve hole.

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Detach sealing ring (1) in the direction of the arrow.

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Feed valve insert (1) in the direction of the arrow out of wheel electronics.

Installation: 

Attention! 

The valve must be replaced! 

Failure to replace the part leads to leaks! 

Before the installation of new wheel electronics with valve, thoroughly clean the valve bore of the wheel rim!

Also make sure that the valve bore has been deburred.

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Insert valve insert (1) in the direction of the arrow into wheel electronics.

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Fit sealing ring (1) in the direction of the arrow.

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Insert valve insert with wheel electronics (1) into cleaned valve bore.

Both outer feet on the underside of the wheel electronics module must be resting against the rim wall.

Screw on union nut (1) by hand as far as it will go.

Tighten union nut (1).

Tightening torque 36 11 1AZ .

Attention! 

Fixing must not under any circumstances be retightened!

The wheel electronics should still be resting evenly against the wheel rim after tightening.

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Required follow-up work: 

• Fit TIRE .