CAS: Car Access System
> not E83
The CAS control unit is the master control unit for the electronic immobilizer. The electronic immobilizer is integrated in the CAS.
The secret code is stored in the CAS control unit so that it is tamper-proof.
The CAS control unit is a bus user on the K-CAN (body CAN) and on the body bus. The CAS control unit is the interface to the insertion slot for the remote key.
| Item | Explanation |
|---|---|
| 1 | Comfort Access System (CAS) |
| 2 | Junction box electronics (JBE) or Body Gateway Module (KGM) |
| 3 | Digital Engine Electronics (DME) or Digital Diesel Electronics (DDE) |
| 4 | Electronic transmission control (EGS) > only E70: Connection on body bus |
| 5 | Comfort Access (CA: Comfort Access) |
| 6 | Remote control receiver |
| 7 | Electric steering lock |
| 8 | START/STOP button |
| 9 | Insertion slot with remote key |
| 10 | Starter motor |
| Terminal 30L | Terminal 30L |
| Terminal 50L | Terminal 50L |
| Body bus | Body bus (also called CAS bus) |
| Body CAN | Body CAN |
| PT-CAN | Drive train CAN |