Installing wheel electronics

WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

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.

Fig 1: Inserting New Torx Socket Screw In Wheel Electronics

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

Insert valve insert with wheel electronics into cleaned valve bore.

Fig 2: Inserting Valve Insert

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

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

Fig 3: Inserting Brace

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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, 36 11 2AZ. Refer to WHEEL AND TIRES - TIGHTENING TORQUES .

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.

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

Fig 4: Installing Wheel Electronics Into Well Base

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Tightening torque, 36 11 3AZ. Refer to WHEEL AND TIRES - TIGHTENING TORQUES .