Cooper Convertible (R57) L4-1.6L (N12) (2009)
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2 - Large Torx socket screw
3 - BMW part number
4 - Tightening torque of Torx screw and union nut
5 - Width across flats of union nut
6 - Serial number of wheel electronics
7 - Date of manufacture of wheel electronics
Removing wheel electronics
Release Torx socket screw (1) and remove wheel electronics (2).
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.
