- CIC
- Car Infotainment Computer - Nachfolger von CCC
- CID
- Central Information Display
- CIM
- Chassis Integration Module
- CMB_MEDIA
- Combox Media
- CON
- Controller
- CTM
- Cabrio-Top-Modul
- CVM
- Cabrioverdeckmodul
- D-CAN
- BMW Bus-System ab BJ 03/2007
- DAB
- Digitaltuner - Digital Audio Broadcasting
- DDC
- Dynamic Driving Control