This is an extension of the page: CAN bus.
List of control unit abbreviations:
STML: headlight module adaptive adjustment left
LHML: headlight module for fan, LEDs, cornering lights, left low and high beam
STMR: headlight module adaptive adjustment right
LHMR: headlight module for fan, LEDs, cornering lights, right low and high beam
CAS: vehicle access module including immobilizer
FRM: footwell module responsible for lighting and window controls, among other things
FZD: roof module that controls, among other things, the electric sliding/tilting roof
CON: i-drive controller
JBE: junction box for, among other things, the central door locking
PDC: park distance control
TBX: extension of i-drive controller for handwritten letters
IHKA: module for heating and ventilation
SMFA: driver's side seat module for, among other things, electrical seat adjustment with memory
HUD: head-up display control module in the dashboard
HKL: tailgate module for opening and closing
SMBF: Front passenger seat module including electric seat adjustment with memory
TRSVC: top rear side view camera for reversing camera and birdview
TBC: bluetooth telematics module
HU-H: head unit for radio, navigation and communication
KOMBI: instrument panel
AMPT: amplifier for the radio
REMARE: module for pre-tensioning the seat belts
REMALI: module for pretensioning the seat belts
ACSM: airbag module
EKPS: fuel pump module
SVT: servotronic active steering
SZL: steering column module to which all steering column switches are connected
DSC: Dynamic Stability Control
SWW: blind spot and line assistant module
DME: Digital Engine Electronics (Engine ECU)
VTG: module for the transfer case of the X-drive
ICM: module to manage dynamic control systems, including the central information display, climate control module, radio, ABS, power steering, ride height, headlight.
EGS: gearbox module
GWS: gear selector lever
KAFAS: module for the camera of, among other things, lane recognition and high-beam assistant
EMF: Electric Parking Brake Module
ACC: active cruise control module
