Repair and Diagnosis

A L L Diagnostic Trouble Codes ( DTC )
Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
- Relays and Modules - Body and Frame
- Relays and Modules - Brakes and Traction Control
  - ABS Main Relay
  - Electronic Brake Control Module
- Relays and Modules - Cooling System
  - Radiator Cooling Fan Control Module Relay
  - Radiator Cooling Fan Motor Relay
- Relays and Modules - Cruise Control
  - Cruise Control Module
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
  - Instrument Panel Control Module
- Relays and Modules - Lighting and Horns
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
  - Technical Service Bulletins
- Relays and Modules - Steering and Suspension
  - Relays and Modules - Steering
    - Power Steering Fan Relay
  - Relays and Modules - Wheels and Tires
    - Tire Pressure Module
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - CVT
    - Control Module
  - Relays and Modules - M/T
    - Control Module
- Relays and Modules - Windows and Glass
  - Rear Defogger Relay
  - Power Window Relay
- Relays and Modules - Wiper and Washer Systems
Sensors and Switches
- Sensors and Switches - Accessories and Optional Equipment
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
  - Engine - Coolant Temperature Sensor/Switch
- Sensors and Switches - Cruise Control
  - Cruise Control Switch
- Sensors and Switches - Engine
  - Oil Pressure Sensor
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
  - Clutch Switch
  - Ignition Switch
- Sensors and Switches - Steering and Suspension
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - CVT
  - Sensors and Switches - M/T
    - Clutch Pedal Position Sensor / Switch
- Sensors and Switches - Windows and Glass
  - Power Window Switch
- Sensors and Switches - Wiper and Washer Systems
Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Timing Component Alignment Marks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Jump Starting
- Towing Information
- Application and ID
  - Notes on Mini "Indicated Services"
  - Severe Service Defined
- Description and Operation
  - Notes on Mini "Indicated Services"
  - Service Interval Display
- Service Intervals
- Technical Service Bulletins
Engine, Cooling and Exhaust
- Engine
- Cooling System
- Exhaust System
- Technical Service Bulletins
Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Emission Control Systems
- Fuel Delivery and Air Induction
- Ignition System
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Application and ID
- Description and Operation
  - Engine and Transmission Control EMS2 (DME Digital Motor / Transmission Electronics 2)
  - Technical Training
- Technical Service Bulletins
Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Automatically Shifted Manual Transmission/Transaxle
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
  - Drive/Propeller Shaft
- Flywheel
- Manual Transmission/Transaxle
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - CVT
    - Control Module
  - Relays and Modules - M/T
    - Control Module
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - CVT
  - Sensors and Switches - M/T
    - Clutch Pedal Position Sensor / Switch
- Transfer Case
  - Fluid - Transfer Case
  - Technical Service Bulletins
- Transmission Control Systems
- Application and ID
- Description and Operation
- Technical Service Bulletins
- Tools and Equipment
  - Automatic Transmission
  - Clutch
Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
  - Brake Pad Wear Sensor
- Disc Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
  - Vacuum Brake Booster
  - Vacuum Brake Booster Check Valve
- Relays and Modules - Brakes and Traction Control
  - ABS Main Relay
  - Electronic Brake Control Module
- Sensors and Switches - Brakes and Traction Control
- Service Precautions
- Description and Operation
  - BMW Service Acronyms
  - General Data
- Testing and Inspection
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Starting and Charging
- Sensors and Switches - Starting and Charging
  - Clutch Switch
  - Ignition Switch
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Description and Operation
  - Fuse Locations of Various Models
  - Jump Starting
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Power and Ground Distribution
- Auxiliary Power Outlet
- Fuse
- Fuse Block
- Fusible Link
- Wiring Harness
- Description and Operation
  - Technical Training
  - Voltage and Power Control
    - Alternator Load Signal
    - Charge Indicator Lamp
- Testing and Inspection
- Locations
  - Component Locations
  - Ground Locations
- Service and Repair
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Technical Service Bulletins
Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
  - Relays and Modules - Steering
    - Power Steering Fan Relay
  - Relays and Modules - Wheels and Tires
    - Tire Pressure Module
- Sensors and Switches - Steering and Suspension
- Steering
- Suspension
- Wheels and Tires
- Service Precautions
- Service and Repair
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Heating and Air Conditioning
- Air Door
  - Air Door Actuator / Motor
  - Service and Repair
  - Technical Service Bulletins
- Air Register
- Ambient Temperature Sensor / Switch HVAC
- Blower Motor
  - Auxiliary Blower Motor
  - Service and Repair
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
- Blower Motor Relay
- Blower Motor Resistor
- Cabin Air Filter / Purifier
- Cabin Temperature Sensor / Switch
- Cabin Ventilation Grille
- Compressor HVAC
  - Compressor Clutch
  - Service and Repair
    - Replacing Complete A/C Compressor
    - Instructions For Compressor Replacement
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
- Compressor Clutch Relay
- Condenser HVAC
- Condenser Fan
- Control Assembly
- Control Module HVAC
- Coolant Temperature Sensor / Switch HVAC
- Evaporator Case
- Evaporator Core
- Evaporator Drain Tube
- Evaporator Temperature Sensor / Switch
- Expansion Valve
- Heater Core
- Heater Core Temperature Sensor / Switch
- Hose/Line HVAC
- Housing Assembly HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
  - Blower Motor Relay
  - Compressor Clutch Relay
  - Control Module HVAC
- Sensors and Switches - HVAC
  - Ambient Temperature Sensor / Switch HVAC
  - Cabin Temperature Sensor / Switch
  - Coolant Temperature Sensor / Switch HVAC
  - Evaporator Temperature Sensor / Switch
  - Heater Core Temperature Sensor / Switch
  - Refrigerant Pressure Sensor / Switch
  - Solar Sensor
- Solar Sensor
- Description and Operation
  - Technical Training
  - Functional Descriptions
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
    - Bus Test (Functional Description)
    - Specified and Substitute Values of Temperature Sensor
  - Component Tests and General Diagnostics
    - Air Conditioner Test (R 134A)
    - Leak-Testing With Leak Tester Device
- Service and Repair
  - Drawing Off, Evacuating and Filling A/C System (R 134a)
  - Removing and Installing Heater
  - Replacing Heater Control Panel (HS and IHKS)
  - Replacing Heater Controls (Automatic Air Conditioner)
  - Replacing Transistor For Heater Blower
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
  - Release Hook
  - V-Adapter Lead, 2-Pin
Restraints and Safety Systems
- Repairs and Inspections Required After a Collision
- Air Bag Systems
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
  - Technical Service Bulletins
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
- Service Precautions
  - Safety Regulations For Handling Airbag System Components
  - Safety Regulations for Handling Components with Gas Generators
- Description and Operation
  - Technical Training
  - Multiple Restraint System (MRS 4)
- Locations
  - Modules
  - Sensors
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Specifications
  - Seat Belts
  - Airbag Generator, Unit For Front Passenger Side
- Technical Service Bulletins
Accessories and Optional Equipment
- Antenna
- Antitheft and Alarm Systems
- Cellular Phone
- Central Control Module
- Collision Avoidance and Parking Assist Systems
- Entertainment Systems
  - Television / Monitor
  - Technical Service Bulletins
- Global Positioning System
- Memory Positioning Systems
- Navigation System
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
- Sensors and Switches - Accessories and Optional Equipment
- Towing / Trailer System
  - Towing Information
- Trip Computer
- Voice Activation System
- Description and Operation
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Technical Service Bulletins
Body and Frame
- Air Bag(s) Arming and Disarming
- Repairs and Inspections Required After a Collision
- Body Control Systems
  - Body Control Module
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Technical Service Bulletins
- Bumper
  - Front Bumper
  - Rear Bumper
- Cabin Ventilation Grille
- Cowl
  - Cowl Moulding / Trim
- Doors, Hood and Trunk
  - Doors
    - Front Door
    - Technical Service Bulletins
  - Fuel Door
  - Hood
  - Trunk / Liftgate
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Technical Service Bulletins
- Exterior Moulding / Trim
  - Body Emblem
  - Cowl Moulding / Trim
  - License Plate Frame
  - Windshield Moulding / Trim
  - Service and Repair
  - Specifications
  - Technical Service Bulletins
- Fender
  - Front Fender
    - Front Fender Liner
    - Service and Repair
  - Rear Fender
    - Rear Fender Liner
- Frame
  - Cross-Member
    - Front Cross-Member
    - Rear Cross-Member
  - Description and Operation
- Grille
- Interior Moulding / Trim
  - Arm Rest
  - Carpet
  - Console
  - Dashboard / Instrument Panel
  - Drink Holders
  - Glove Compartment
  - Headliner
  - Passenger Assist Handle
  - Rear Shelf
  - Scuff Plate
  - Sun Visor
  - Trim Panel
  - Utility Storage Compartment
  - Description and Operation
  - Specifications
  - Technical Service Bulletins
- Locks
  - Door Locks
  - Keyless Entry
  - Power Locks
  - Trunk / Liftgate Lock
  - Description and Operation
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
  - Technical Service Bulletins
- Mirrors
  - Memory Positioning Systems
  - Power Mirror Control Module
  - Power Mirror Switch
  - Service and Repair
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
  - Technical Service Bulletins
- Paint, Striping and Decals
  - Paint
- Radiator Support
- Relays and Modules - Body and Frame
  - Keyless Entry Module
  - Power Mirror Control Module
  - Power Seat Control Module
  - Sunroof / Moonroof Module
- Roof and Associated Components
  - Convertible Top
    - Convertible Top Hydraulic Fluid
    - Technical Service Bulletins
  - Sunroof / Moonroof
  - Technical Service Bulletins
- Seats
  - Memory Positioning Systems
  - Power Seat Control Module
  - Power Seat Drive Gear
  - Power Seat Motor
  - Power Seat Switch
  - Seat Back
  - Seat Temperature Switch
  - Description and Operation
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Technical Service Bulletins
- Sensors and Switches - Body and Frame
  - Hood Switch / Sensor
    - Hood Sensor/Switch (For Alarm)
  - Power Door Lock Switch
  - Power Mirror Switch
  - Power Seat Switch
  - Seat Temperature Switch
  - Sunroof / Moonroof Switch
  - Sunroof / Moonroof Position Sensor
  - Trunk / Liftgate Switch
- Splash Guard
- Tailgate
  - Tailgate Hinge
  - Technical Service Bulletins
- Unibody
  - Cowl
    - Cowl Moulding / Trim
- Weatherstrip
  - Front Door Weatherstrip
  - Front Door Window Glass Weatherstrip
  - Sunroof / Moonroof Weatherstrip
  - Trunk / Liftgate Weatherstrip
  - Technical Service Bulletins
- Service Precautions
  - 41 00 ... Handling Airbags and Restraint Systems
  - 41 00 ... Handling Electrical and Electronic Equipment
  - 41 00 ... Information on Vehicle Protection
  - 41 00 ... Safety At Work
  - 51 00 ... Safety Instructions For Working on Cars With Airbag Systems
- Description and Operation
  - Technical Training
    - BMW Features
    - Body
      - Exterior & Interior
      - Seats
  - 41 00 ... Materials Science
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Technical Service Bulletins
Cruise Control
- Cruise Control Module
- Cruise Control Switch
- Relays and Modules - Cruise Control
  - Cruise Control Module
- Sensors and Switches - Cruise Control
  - Cruise Control Switch
- Description and Operation
  - Technical Training
  - Cruise Control
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
Instrument Panel, Gauges and Warning Indicators
- Air Bag Deactivation Indicator
- Audible Warning Device
- Brake Warning Indicator
  - Brake Pad Wear Sensor
- Cigarette Lighter
- Clock
- Dashboard / Instrument Panel
  - Air Bag(s) Arming and Disarming
  - Description and Operation
  - Service and Repair
  - Specifications
  - Technical Service Bulletins
- Fog/Driving Lamp Indicator
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
  - Air Bag(s) Arming and Disarming
  - Instrument Panel Control Module
  - Description and Operation
    - Technical Training
    - Pointer Instruments
  - Testing and Inspection
  - Service and Repair
    - Procedures
    - Removal and Replacement
      - Removing and Installing/Replacing Instrument on Steering Column
      - Removing and Installing Instrument Carrier
  - Diagrams
  - Specifications
  - Technical Service Bulletins
- Low Tire Pressure Indicator
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Outside Temperature Display
  - Outside Temperature Display Sensor
- Relays and Modules - Instrument Panel
  - Instrument Panel Control Module
- Sensors and Switches - Instrument Panel
  - Brake Pad Wear Sensor
  - Fuel Gauge Sender
  - Outside Temperature Display Sensor
- Temperature Gauge
- Temperature Sensor (Gauge)
- Tire Monitoring System
  - Low Tire Pressure Indicator
  - Tire Pressure Module
  - Tire Pressure Sensor
  - Description and Operation
  - Service and Repair
    - Removing and Installing/Replacing RDW Control Unit
    - Resetting the Tire Pressure System
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Technical Service Bulletins
- Description and Operation
  - Technical Training
  - Instrument Panel Warning Indicator Descriptions
  - Displays and Information
- Testing and Inspection
  - Warning and Indicator Lamps
  - On-Board Computer Functions
  - Instrument Cluster Test Functions
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Technical Service Bulletins
Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
  - Backup Lamp Switch
  - Backup Light Bulb
  - Description and Operation
    - Technical Training
    - Back Up Light
  - Service and Repair
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
    - Electrical Specifications
    - Mechanical Specifications
- Brake Lamp
  - Brake Light Bulb
  - Description and Operation
    - Technical Training
    - Brake Light
      - Exterior Lights
      - Exterior Lights - Emergency Operating Mode
  - Service and Repair
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Technical Service Bulletins
- Brake Light Switch
- Center Mounted Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dome Lamp
- Exterior Lighting Module
- Fog/Driving Lamp
  - Fog/Driving Lamp Bulb
  - Fog/Driving Lamp Indicator
  - Fog/Driving Lamp Relay
  - Description and Operation
    - Technical Training
    - Fog Lights
      - Exterior Lights
      - Exterior Lights - Emergency Operating Mode
  - Adjustments
  - Service and Repair
    - Replacing Left or Right Foglamp Insert
    - Replacing Halogen-Light Bulb For Foglight
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
- Hazard Warning Lamps
  - Hazard Warning Indicator
  - Description and Operation
    - Technical Training
    - Hazard-Warning System
      - Exterior Lights
      - Exterior Lights - Emergency Operating Mode
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
- Headlamp
  - Headlamp Bulb
  - Headlamp Alignment Actuator
  - Headlamp Alignment Control Module
  - Headlamp Alignment Switch
  - Headlamp Control Module
  - Headlamp Switch
  - Service Precautions
  - Description and Operation
  - Adjustments
  - Locations
  - Service and Repair
    - Removing and Installing/Replacing Left or Right Headlight (Halogen Headlight)
    - Removing and Installing/Replacing Left or Right Headlight (Xenon Headlight, From 07/04)
  - Diagrams
  - Technical Service Bulletins
- Horn
  - Horn Relay
  - Horn Switch
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
- Interior Lighting Module
- Interior Lighting Relay
- Lamp Control Module
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Rain / Fog Sensor
- Relays and Modules - Lighting and Horns
  - Exterior Lighting Module
  - Fog/Driving Lamp Relay
  - Headlamp Alignment Control Module
  - Headlamp Control Module
  - Horn Relay
  - Interior Lighting Module
  - Interior Lighting Relay
  - Lamp Control Module
  - Tail Lamp Control Module
- Sensors and Switches - Lighting and Horns
  - Ambient Light Sensor
  - Backup Lamp Switch
  - Brake Light Switch
  - Headlamp Alignment Switch
  - Headlamp Switch
  - Horn Switch
  - Rain / Fog Sensor
  - Turn Signal Switch
- Tail Lamp
  - Tail Light Bulb
  - Description and Operation
  - Service and Repair
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
- Tail Lamp Control Module
- Turn Signals
  - Turn Signal Indicator
  - Turn Signal Lamp
  - Turn Signal Switch
  - Description and Operation
    - Technical Training
    - Turn Signal Indicator
      - Exterior Lights
      - Exterior Lights - Emergency Operating Mode
  - Service and Repair
  - Diagrams
    - Diagram Information and Instructions
    - Electrical Diagrams
  - Specifications
- Service Precautions
  - Instructions For Replacing Light Bulbs (Interior Lights)
  - Instructions For Handling Light Bulbs (Exterior Lights)
- Description and Operation
  - Technical Training
    - Interior Lighting
    - Exterior Lighting
  - Lighting
- Service and Repair
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Specifications
  - Electrical Specifications
  - Mechanical Specifications
    - Adjustment of Headlights
    - Control Units - Modules
- Technical Service Bulletins
- Tools and Equipment
  - Headlight Adjusting Tool
  - V-Adapter Lead, 9-Pin
Windows and Glass
- Heated Glass Element
- Rear Defogger
  - Rear Defogger Relay
- Relays and Modules - Windows and Glass
  - Rear Defogger Relay
  - Power Window Relay
- Sensors and Switches - Windows and Glass
  - Power Window Switch
- Windows
- Windshield
- Description and Operation
  - Technical Training
  - Power Window
    - Power Windows - Convenience Closing / Opening
    - Window Lowering
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Technical Service Bulletins
Wiper and Washer Systems
- Check Valve
- Headlamp Washer Pump
- Headlamp Washer Reservoir
- Headlamp Washer Spray Nozzle
- Rain Sensor
- Relays and Modules - Wiper and Washer Systems
  - Windshield Washer Control Module
  - Wiper Control Module
  - Wiper Relay
- Sensors and Switches - Wiper and Washer Systems
  - Rain Sensor
  - Windshield Washer Switch
  - Wiper Switch
- Windshield Washer Control Module
- Windshield Washer Motor
- Windshield Washer Pump
- Windshield Washer Reservoir
- Windshield Washer Spray Nozzle
- Windshield Washer Switch
- Wiper Arm
- Wiper Blade
- Wiper Control Module
- Wiper Motor
- Wiper Pivot
- Wiper Relay
- Wiper Switch
- Description and Operation
  - Technical Training
    - BMW Features
    - Windshield Wiping/Washing
  - Wipe and Wash Functions
- Diagrams
  - Diagram Information and Instructions
  - Electrical Diagrams
- Specifications
  - 61 61 Windshield Wipers
  - 61 62 Tailgate Window Wiper
- Technical Service Bulletins
- Tools and Equipment
Application and ID
Locations
- Component Locations
- Connector Locations
- Fuse and Fusible Link Locations
- Ground Locations
- Splice Locations
Diagrams
- Diagram Information and Instructions
- Connector Views
- Electrical Diagrams
- Mechanical Diagrams
  - Drive Belts, Mounts, Brackets and Accessories
- Components
- Connectors
- Fuse and Fusible Links
- Grounds
- Splices
Specifications
- Electrical Specifications
- Mechanical Specifications
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins
Diagnostic Trouble Codes