Remove the central plug and install handle, BMW No. 12 5 500.
Remove the cover, noting the thrust washer (arrow).
If necessary, remove ignition trigger (4).
Unscrew hex nut.
Heat hub to 80°C (176°F).
Note: Use temperature measuring device, BMW No. 00 1 900, to check the temperature.
Using puller, BMW No. 12 5 510, pull off magnet rotor.