BMW ONBOARD COMPUTER User Manual download pdf (Page 4)

E46iC BUS SYSTEM

The Bus system of the E46iC continues to use the K-Bus as the main communication link

between body and driver information modules. The Convertible Top Module (CVM) is added

to the K-Bus for communication with the GM V for top operation and the Instrument Cluster

for diagnostic purposes. The addition of memory functions for both outside mirrors has

required memory modules to control the operation. These modules are also connected to

the K-Bus for communication with the Seat Memory module.

As with other MRS III systems, the MRS module is now connected to the K-Bus for cod-

ing/diagnostic and communication with the other control modules.

E46 Driver Information

CVM

EWS 3.3

C53

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BMW ONBOARD COMPUTER User Manual Page 4