Installing wheel electronics

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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 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 1: Identifying Torx Socket Screw, Wheel Electronics And Valve Insert

Courtesy of BMW OF NORTH AMERICA, INC.

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 2: Locating Valve Bore

Courtesy of BMW OF NORTH AMERICA, INC.

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. See WHEEL AND TIRES - TIGHTENING TORQUES - ALPINA .

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 tire.

Fig 3: Identifying Brace And Union Nut

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque. See WHEEL AND TIRES - TIGHTENING TORQUES - ALPINA .

IMPORTANT: The screw connection must be tightened to the specified torque in one go!
Do not under any circumstances retighten the screw connection!

Fig 4: Identifying Torx Socket Screw

Courtesy of BMW OF NORTH AMERICA, INC.