SZL: Steering Column Switch Cluster
WARNING: This page does not describe the selected car, but rather 46 other vehicles, including the 2008 BMW M5, 2008 BMW 650i, 2007 BMW Z4, 2007 BMW M6, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
The SZL control unit transmits the position of the turn-signal/main-beam switch to the light module.
- Signal path on E60, E61, E63, E64 SZL -> PT-CAN -> KGM -> K-CAN -> LM Steering column switch cluster -> PT-CAN -> Body gateway module -> K-CAN -> Light module
- Signal path on E65, E66 SZL -> PT-CAN -> SGM -> K-CAN -> LM Steering column switch cluster -> PT-CAN -> Safety and gateway module -> K-CAN -> Light module