BMW Service Acronyms

A Processed vehicle speed signal
ABS Anti-lock braking system
ADS II Engine intake air control
ADV W/wiper pressure control
AGS Adaptive transmission control
ASC+T Automatic slip control + traction
ASC Automatic slip control
AST Slip control generic designation
AUC Automatic air recirculation
CAN Line Controller Area Network
CC Check control system
DIS Diagnosis & Information System
DK Throttle plate (housing)
[1][2]DME Digital motor electronics
DSC Dynamic stability control
DWA BMW anti-theft system
E Box Electronics box
E24 Former 6 series
E28 Former 5 series
E30 Former 3 series
E31 Current 8 series
E32 Former 7 series
E34 Current 5 series
E36 Current 3 series
E38 Current 7 series
ECM Engine control module
EDC Electronic damper control
EGS Electronic transmission control
EKM Electronic body module
EML Electronic throttle regulation
EWS Electronic driveaway protection
FBZV Radio frequency locking system
GM General module (ZKE)
H2 Xenon lighting system
I-BUS Information signal communication bus
ISN Individual serial number (EWS II/[1][2]DME)
IKE Instrument cluster electronics
IC Instrument cluster
IHKA Automatic heating & air conditioning
IHKR Standard heating 8 air conditioning
IRS Infrared locking System
K-BUS Karroserie (Body) signal communication bus
KL 15 Ignition switch run position "Hot in run and start"
KL 30 Battery positive - "Hot at all times"
KL 31 Battery/chassis ground
KL 50 Ignition switch start position
KL R Ignition switch accessory position
KSK Knock Sensor Control
LKM Lamp control module
LL Closed throttle position
LM Lamp module
LSM Adjustable steering column
M20 6 cylinder engine - 2.5 liter
- 2.7 liter (eta)
M30 6 cylinder engine - 3.0 liter
- 3.2 liter
- 3.4 liter
- 3.5 liter
M42 4 cylinder engine - 1.8 liter
M50 6 cylinder engine - 2.5 liter
M60 8 cylinder engine - 3.0 liter
- 4.0 liter
M70 12 cylinder engine - 5.0 liter
M73 12 cylinder engine - 5.4 liter
MFU Multi-function clock
MID Multi information display
MSR Deceleration slip control
NTC Negative temperature coefficient resistor
OBC On-board computer
OBD II EPA standardized diagnosis
P-BUS Periphery module (E38 ZKE) signal bus
PTC Positive temperature coefficient resistor
PWG Throttle pedal position sensor (EML only)
RM Relay Module (ZKE)
RXD Ringing diagnosis line
S14 4 cylinder Motorsport engine - 2.3 liter
S38 6 cylinder Motorsport engine - 3.5 liter
- 3.6 liter
S50 US 6 cylinder Motorsport engine - 3.0 liter
S70 12 cylinder Motorsport engine - 5.6 liter
SI Service interval indicator
SM/SPM Seat and mirror memory
SRA Headlight/foglight cleaning
SRS Supplemental restraint system (airbag)
TD or TR Engine speed signal
TEV Evaporative purge control
TI Injector opening time
TL Part throttle position
TSH Door lock heating
TWC Three way catalyst
TXD Transmit diagnosis line
V Vehicle speed signal "Velocity"
VL Full throttle position
ZAE Central airbag electronics
ZKE Central body electronics
ZVM Central locking module