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BMW Technical Abbreviations

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BMW Technical Abbreviations

BMW like most automotive manufacturer like acronyms. Here is a list of Technical acronyms, abbreviations and terminology as used in BMW manuals and BMW service documents.

AAR – Automatic Air Recirculation.

AB – Airbag (airbag system).

ABL – Brake system warning Lamp.

ABS – Anti-lock Braking System.

AC – Air Conditioning.

ACC – Active Cruise Control.

ACS – Active Comfort Seats.

ACSM – Advanced Crash Safety Module.

ADB / ADB-X – Automatic Differential Braking.

ADAS – Advanced Driver Assistance System.

ADS – Engine intake air control.

ADV – Windshield wiper pressure control.

AEGS – Automatic Electronic Gearbox Control (also EGS).

AFM – Air Flow Meter.

AGD – Suction silencer.

AGR – Emission reduction.

AGS – Adaptive transmission control.

AG – Automatic Gearbox (transmission).

AHL – Adaptive Headlights.

AHK – Active rear-axle Kinematics.

AHK – Trailer hitch.

AHM – Trailer Module (not US models).

AHPS – Advanced HPS.

AIC – Automatic Interval Control (rain sensor).

AKF – Activated carbon canister.

AKS – Active head restraint.

AKS – Pressure regulating device.

ALC – Automatic Light Control.

ALR – Automatic Lamp Range Adjustment.

ALR – Automatic-locking retractors.

AMM – Air Mass Meter.

AMP – Radio system AMPlifier.

ARI – Car radio information system.

ARRB – Automatic Rear Roller Blind.

ARS – Active Roll Stabilization.

ASC – All Season traction.

ASC – Automatic Stability Control.

ASC-EZA – ASC w/ engine timing and injection intervention.

ASC+T – ASC+ Traction control.

ASK – Audio System controller (Kontroller).

ASR – Self starter block relay.

AST – Automatic Slip control (marketing term).

AST – All Season Traction.

AT – Antenna.

ATF – Automatic Transmission Fluid.

ATL – Exhaust gas turbo charger.

AS – Active Steering.

AUC – Automatic air recirculation.

AUT – AUTomatic transmission.

AVT – Antenna amplifier Tuner.

AZD – Tightening torque specifications.

A/D – Analog/Digital.

B – Benzene (petrol, gasoline).

BAT – BATtery.

BC – Board Computer.

BC1 – Body Controller (#1).

BL – Brake Light.

BLS – Brake Light Switch.

BMBT – Board Monitor.

BMW – Bavarian Motor Works (Bayerische Motoren Werke).

BS – Block diagram.

BST – Battery Safety Terminal.

BVA – Brake pad wear indicator.

BZM – Center console control center.

BZMF – Center console control center, rear.

CA – Comfort Access, also Client Advisor.

CAN – Controller Area Network (Multiple ECU Controller).

CAN-Bus – Controller Area Network (bus).

CANH-Bus – CAN bus, High.

CANL-Bus – CAN bus, Low.

CANP – Fuel tank ventilation valve.

CAS – Car Access System.

CBC – Corner Braking Control.

CBC – Cornering Brake Control.

CBS – Condition Based Service.

CCC – Car Communications Computer.

CCM – Check Control Module.

CD – Control Display.

CDC – Compact Disk Changer.

CDS – CD player.

CDV – Clutch Delay Valve.

CEL – CELsius.

CID – Central Information Display.

CIM – Chassis Integration Module.

CIP – Coding, Individualization, Programming.

CO – Carbon monOxide.

COMBI – Electronic Instrument Cluster.

CON – CONtroller.

CPO – Certified Pre-Owned.

CSL – Club Sport Lightweight (Club Sport Leicht).

CU – Copper.

CVM – Convertible top Module.

CVT – Constantly Variable Transmission.

CW – Drag coefficient.

CWP – Cold Weather Package.

D-Bus – Diagnosis bus (same as TXD).

D1 – Xenon light/ gas discharge.

DBC – Dynamic Brake Control.

DBS – Dynamic Braking System.

DCC – Dynamic Cruise Control.

DCS – Dealer Communication System.

DD – Dynamic motor Drive.

DDE – Digital Diesel Electronics.

DE – Diagnostic Unit.

DIN – German industrial standards.

DIS – Diagnosis and Information System.

DISA – Differential air intake control.

DIVA – Continuously variable length intake runners.

DK – Throttle housing/valve.

DKB – Throttle w/ brake intervention.

DKE – Throttle Increase.

DKI – Throttle position.

DKR – Throttle reduction.

DKT – Throttle position signal.

DKV – Preset throttle position value.

DM-TL – Diagnostic Module Tank Leakage.

DME – Digital Motor Electronics.

DOHC – Double Over Head Camshafts.

Double VANOS – Steplessly variable intake and exhaust valve timing.

DRL – Daytime Running Lights.

DS – gasket set.

DSC – Dynamic Stability Control.

DSP – Digital Sound Processing.

DTC – Diagnostic Trouble Code (SAE).

DTC – Dynamic Traction Control.

DWA – Theft deterrent system.

DWS – Tire pressure Warning System.

DZM – Revolution counter.

E-KAT – Electrically heated catalytic converter.

EBV – Electronic Brake force proportioning.

ECE – European market version.

ECM – Engine Control Module (SAE term).

ECO – Controller for I-Drive system.

ECU – Electronic Control Unit.

ED – European Delivery.

EDC – Electronic Dampening Control.

EDC-K – Electronic Dampening Control – Continuous.

EDK – Electronic throttle valve.

EDR – Electronic throttle control.

EDS – pressure regulator.

EFH – Electric window lifter.

EGS – Electronic transmission control.

EH – Electronic-Hydraulic.

EHC – Electronic Height Control.

EKM – Electronic body Module.

EKP – Electric fuel Pump.

ELV – Electronic steering lock.

EM – Electro-Mechanical.

EMF – Electro-Mechanical parking brake.

EML – Electronic Motor Load regulation.

EMV – Electro-Magnetic sensitivity.

EO – Component location.

EPC – Electronic Parts Catalog (also ETK).

EPROM – Erasable/ Programmable chip Memory.

ESS – Electronic anti-theft device.

ETK – Electronic parts catalog (also EPC).

ETM – Electrical Troubleshooting Manual.

EV – Injection Valve.

EWS – Electronic drive-away protection.

EZA – Same as ASC-EZA.

FB – Function description.

FBC – Fading Brake Control.

FBD – Remote control services.

FBZV – Radio frequency locking system.

FDRS – Fold Down Rear Seats.

FGR – Vehicle Speed Control (Cruise Control).

FH – Window lifter.

FHK – Rear Heater/ air conditioner.

FLC – Automatic Light Control.

FRU – Flat Rate Unit.

FS – Crash Sensor.

FTM – Flat Tire Monitor.

FZV – Central lock receiver.

GAL – Speed dependent sound volume.

GM – General Module.

GMR – Yaw moment control.

GPS – Global Positioning System.

GRII – Cruise control.

GRS – Rotation Rate Sensor.

GS – Belt Tensioner.

GWK – Torque converter lock-up control.

H2 – Xenon headlights.

HA – Rear Axle.

HC – Hydro Carbon.

HD – Heavy Duty.

HDC – Hill Decent Control.

HFM – Hot Film air mass Meter.

HG – Manual Gearbox (transmission).

HKL – Hydraulic trunk lid Lift.

HLM – Hot Wire Air Mass Meter.

HPS – Head Protection System.

HR – Heater control.

HU – Head Unit.

HUD – Heads Up Display.

HVA – Hydraulic Valve Adjuster.

HWS – Headlight Washer System.

Hz – Hertz (Cycle).

I-Bus – Information bus.

IB – Interior lighting control signal.

IHKA – Automatic Heating and A/C.

IHKAF – IHKA w/ micro filter.

IHKR – Regulated Heating and A/C.

IHKRF – IHKR w/ micro filter.

IHKS – Standard Heating and A/C.

IHPD – Internal High Pressure Deformation.

IHR – Integrated Heater control.

IKE – Instrument cluster Electronics.

ILH – Interior Lighting, rear.

ILV – Interior Lighting, front.

IMS – Instant Mobility System.

IR – Infrared.

IRS – Infrared Locking System.

ISC – Idle Speed Control.

ISIS – Intelligent Safety and Information System.

ISN – Individual Serial Number.

ISOFIX – Standardized mounts for child restraints.

ITS – Head airbag assembly/ Inflatable Tubular Structure.

IVM – Integrated power supply Module.

K-Bus – Body bus (Karosserie).

KAT – Catalytic converter.

KATON – Converter creating (signal).

KD – Kick-Down.

KHI – Interface for headphones.

KL – Terminal designation.

KL15 – Run bus (ignition switch run position).

KL30 – Battery bus (hot at all times).

KL31 – Ground bus (chassis ground).

KL50 – Start bus (ignition start position).

KLR – Accessory bus.

KO – Compressor ON signal.

KOMBI – Instrument cluster.

KOREL – Compressor relay signal.

KR – Contact Ring.

KSK – Knock Sensor.

KVA – Fuel consumption signal/value.

KW – Crankshaft.

KW – KiloWatt.

LCM – Lamp Check Module.

LDP – Leak Diagnosis Pump.

LEV – Low Emissions Vehicle.

LEW – Lateral acceleration sensor.

LHD – Left-Hand Drive.

LKM – Lamp control Module.

LL – Closed throttle.

LM – Light Module.

LMM – Air flow meter/sensor.

LMR – Light alloy wheel.

LRA – Vertical headlight aiming.

LSM – Steering column memory.

LSZ – Lamp Switching center.

LVA – Air supply system (for EHC system).

LVDS – Low Voltage Differential Signaling.

LWR – Vertical headlight aim control.

LWRT – Low Weight Reinforced Thermoplastics.

LWS-5 – Steering angle sensor.

M-Bus – IHKA/IHKR stepper motor bus.

MAL – Center armrest.

MBC – Maximum Brake Control.

MDK – Motorized throttle valve/system.

MFC – Multi-Function Controller.

MFL – Multi-Function steering wheel.

MFS – Multi-Function Steering Wheel.

MFU – Multi-Function Clock.

MID – Multi-Information Display.

MIL – Malfunction Indicator Lamp (SAE), “check engine”.

MIR – Multi-Information Radio.

MMC – Multi-Media Changer.

MoDiC – Mobile Diagnostic Computer.

MOST-Bus – Media Oriented System Transport bus.

MRS – Multiple Restraint System.

MSR – Engine drag torque Regulation.

MV – Magnetic Valve (solenoid Valve).

n-ab – Rotational speed, transmission (rpm).

n-mot – Rotational speed, engine (rpm).

NAVI – Navigation module.

NG – New Generation (N73 engine).

NG – Tilt sensor.

NOX – Nitrogen Oxides/ exhaust gas recirculation.

NSD – Rear muffler.

NSL – Rear fog Lamp.

NSW – Fog lamp.

NTC – Negative Temperature Coefficient.

NW – Camshaft.

OBC – On-Board Computer.

OBD – On-Board Diagnosis.

OEM – Original Equipment Manufacturer.

P-Bus – Periphery bus.

P/N – Park/Neutral position.

PB – Pin assignments.

PBS – Parts Bulletin System (in TIS).

PCD – Performance Center Delivery.

PDC – Park Distance Control.

PDI – Pre-Delivery Inspection.

PGS – Passive Go System.

PM – Power Module.

PP – Impact Pad.

PTC – Positive Temperature Coefficient.

PuMA – Product and Measures Management in After sales.

PWG – Pedal position sensor/ potentiometer.

RA – Repair instructions.

RAL – Aluminum wheels.

RAL – Standard color.

RAM – Random Access Memory.

RDC – Tire pressure Control.

RDS – Radio Data-broadcast System.

RDW – Tire pressure Warning.

RFT – Run Flat Tires.

RHD – Right-Hand Drive.

RLS – Rain-Light Sensor.

RM – Relay Module.

ROZ – Research Octane rating/ fuel grade.

RPA – Tire puncture warning.

RPS – Rollover Protection System.

RS – Repair kit.

RSC – Run flat System Components.

RSW – Back-up lamp.

RXD – Wake-up Diagnosis line.

RZV – Direct stationary ignition.

SA – Sales Advisor or Service Advisor.

SASL – Satellite, A-pillar left.

SASR – Satellite, A-pillar right.

SAV – Sport ACTIVITY Vehicle.

SB – Fuse assignments.

SBE – Seat occupancy detector/sensor.

SBFH – Seat module, passenger-side rear.

SBK – Safety Battery Terminal Clamp (???).

SBSL – Satellite, B-pillar left.

SBSR – Satellite, B-pillar right.

SBT – SI techniques/ tech reference information (in TIS).

SCA – Soft Close Automatic/Actuator.

SD – Silencer/ muffler.

SD – Sliding roof.

SE – Special Equipment.

SES – Voice Recognition System.

SFAH – Seat module, driver’s side rear.

SFZ – Satellite, vehicle center.

SG – Control unit.

SGS – Seat integrated belt System.

SHD – Sliding/ lifting roof.

SHD – Sunroof module (also SHDM).

SI – Service Information (in TIS).

SIA – Service Interval system (ver. I, II, III, IV, etc.).

SII – Service Interval Indicator.

SIL – SILicon.

SIM – Safety Information Module.

SINE – Siren/tilt sensor.

SKD – Steel sliding roof.

SKHD – Steel sliding/ lifting roof.

SM – Seat Module.

SM/SPM – Seat/Mirror Memory.

SMBF – Seat Module, passenger side.

SMFA – Seat Module, driver’s side.

SMG – Sequential Manual Gearbox.

SP – Schematic.

SRA – Headlight/fog light cleaning.

SRS – Supplemental Restraint System.

SSD – Steel sliding roof.

SSH – Seat Satellite, rear seat.

ST – Connector views.

Steptronic – Transmission shift control.

STVL – Satellite, left front door.

STVR – Satellite, right front door.

SULEV – Super Ultra Low Emissions Vehicle (not coined by BMW).

SVS – Speech processing System.

SWR – Headlamp cleaning system.

SWZ – Special tool listings (in TIS).

SZL – Switch center, steering column.

SZM – Central switch center Module.

TAGE – Door handle Electronics.

TCM – Transmission Control Module.

TD – Engine speed signal (ignition pulse).

TD – Technical Data (in TIS).

TDD – Technical Documentation Disk.

TE – Fuel evaporation control.

TEL – TELephone control unit.

TEV – Evaporative purge control.

THZ – Tandem master cylinder.

ti – Injector ON Time (duration).

TIS – Technical Information System.

TL – Part throttle / load signal.

TLEV – Transitional Low Emission Vehicle.

TMBFT – Door Module, passenger side.

TMBFTH – Door Module, passenger side rear.

TMC – Traffic Message Channel.

TMFAT – Door Module, driver’s side.

TMFATH – Door Module, driver’s side rear.

TP – Tandem Pump.

TP – Traffic Program.

TPC – Tire Pressure Control.

TPM – Tire Pressure Monitor.

TPS – Throttle Position Switch/Sensor.

TR – Engine speed signal (rpm).

TR – TRansistor.

TRG – Fuel level sensor.

TRI – Technical Reference Information (also SBT).

TRS – Battery isolation Switch.

TSB – Technical Service Bulletin.

TSD – Torsional vibration dampener.

TSH – Door lock Heating.

TSZI – Transistorized coil Ignition system.

TU – Technical Update (as in M50tu).

TXD – Transmitting Diagnosis line.

U-batt – Battery voltage.

U-vers – Supply voltage.

UERSS – Rollover bar.

URS – Rollover protection System.

USIS – Ultrasonic passenger compartment Sensor.

V – Vorn (front).

V – Vehicle road speed.

VA – Front Axle.

VAC – Voice Activated Control.

VANOS – Variable camshaft timing.

VAT – Front axle support.

VDC – Vehicle Distribution Center.

VEP – Distributor-type injection Pump.

VID – VIDeo module.

VL – Full load (wide open throttle).

VPC – Vehicle Preparation Center.

VSD – Front muffler.

VVT – Valve tronic.

WBG – Hazard warning switch.

WIM – Wiper control Module.

WK – Torque converter lock-up clutch.

WSS – Wind Shield.

WT – Valve tronic control unit.

ZAB – Ignition fade-out (reduction).

ZAE – Central Airbag Electronics.

ZAS – Ignition starter switch.

ZCP – Competition Package (M3).

ZCW – Cold Weather Package.

ZGM – Central Gateway Module.

ZHP – Performance Package (Available on US-Market e46 330i/Ci/Cic Only).

ZK – Cylinder head.

ZKE – Central body Electronics.

ZKH – Cylinder head cover.

ZMS – Dual-Mass flywheel.

ZPP – Premium Package.

ZS – Central lock.

ZSD – Center muffler.

ZSP – Sport Package.

ZV – Central locking system.

ZVM – Central locking Module.

ZWD – Idle control valve.

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