Removal (Exc. 733i)
- Disconnect battery ground cable. Remove 3 mounting screws and pull off lower plastic shroud. Remove hollow set screw and slide out ignition switch. Disconnect horn wires on 320i models only.
- Disconnect steering column wire holders. On 530i and 633CSi models only, disconnect central fuse/relay plate plug and plug connector. On 320i models only, disconnect central plug. Ignition switch is free for removal.