WDS Wiring Diagram System - E46

• Complete vehicle
• Special vehicle
• Component and signal information
• Service functions

• Drive
• Chassis
• body

• Displays and information
• Audio, video and navigation
• Lighting
• Bus functions
• Heating and air conditioning functions (IHKA Integrated automatic heating/air conditioning or IHKR Integrated heating/air-conditioning regulation or Heater control)
• Communication
• Restraint and rollover protection functions
• Locking and security functions
• Signal and warning functions
• Seat, steering-column, mirror functions
• Wipe and wash functions

• Heating and air conditioning functions (as of 1998_03 up to 1999_09 with Diesel engine)
• Heating and air conditioning functions (as of 1998_03 up to 1999_09 with Petrol engine without Heater control)
• Heating and air conditioning functions (as of 1998_09 up to 1999_09 with Diesel engine with IHKA Integrated automatic heating/air conditioning)
• Heating and air conditioning functions (as of 1998_09 up to 1999_09 with IHKA Integrated automatic heating/air conditioning with Petrol engine)
• Heating and air conditioning functions (( 316i_M43/TU_LIM or 316Ci_M43/TU_COUPÉ or 318i_M43/TU_LIM or 318i_M43/TU_TOUR or 318Ci_M43/TU_COUPÉ ) as of 1999_09 with IHKA Integrated automatic heating/air conditioning)
• Heating and air conditioning functions (as of 1999_09 without convertible with DME Motor Electronics MS42 with IHKA Integrated automatic heating/air conditioning)
• Heating and air conditioning functions (as of 1999_09 with Diesel engine with IHKA Integrated automatic heating/air conditioning)
• Heating and air conditioning functions (( 316i_M43/TU_LIM or 316Ci_M43/TU_COUPÉ or 318i_M43/TU_LIM or 318i_M43/TU_TOUR or 318Ci_M43/TU_COUPÉ ) as of 1999_09 with IHKR Integrated heating/air-conditioning regulation)
• Heating and air conditioning functions (as of 1999_09 without convertible with DME Motor Electronics MS42 with IHKR Integrated heating/air-conditioning regulation)
• Heating and air conditioning functions (as of 1999_09 with Diesel engine with IHKR Integrated heating/air-conditioning regulation)
• Heating and air conditioning functions (( 316i_M43/TU_LIM or 316Ci_M43/TU_COUPÉ or 318Ci_M43/TU_COUPÉ or 318i_M43/TU_LIM or 318i_M43/TU_TOUR ) as of 1998_03 up to 1998_09 with Heater control)
• Heating and air conditioning functions (( 316i_M43/TU_LIM or 316Ci_M43/TU_COUPÉ or 318i_M43/TU_LIM or 318i_M43/TU_TOUR or 318Ci_M43/TU_COUPÉ ) as of 1998_09 up to 1999_09 with Heater control)
• Heating and air conditioning functions (( 316i_M43/TU_LIM or 316Ci_M43/TU_COUPÉ or 318i_M43/TU_LIM or 318i_M43/TU_TOUR or 318Ci_M43/TU_COUPÉ ) as of 1999_09 with Heater control)
• Heating and air conditioning functions (as of 1998_03 up to 1998_09 with DME Motor Electronics MS42 with Heater control)
• Heating and air conditioning functions (as of 1998_09 up to 1999_09 with DME Motor Electronics MS42 with Heater control)
• Heating and air conditioning functions (as of 1998_03 up to 1998_09 with Heater control with Diesel engine)
• Heating and air conditioning functions (as of 1998_03 up to 1999_03 with Heater control with Diesel engine)
• Heating and air conditioning functions (as of 1999_09 with DDE Diesel Electronics DDE3.0 with Heater control)
• Heating and air conditioning functions (( DME Motor Electronics MS42 or convertible ) with IHKR Integrated heating/air-conditioning regulation)
• Heating and air conditioning functions (( DME Motor Electronics MS42 or convertible ) with IHKA Integrated automatic heating/air conditioning)
• Voltage supply
• Blower
• Air distribution (IHKA Integrated automatic heating/air conditioning or IHKR Integrated heating/air-conditioning regulation)
• Electric auxiliary heater (as of 1999_09 with DDE Diesel Electronics DDE4.0)
• Dynamic pressure compensation (IHKA Integrated automatic heating/air conditioning or IHKR Integrated heating/air-conditioning regulation)
• Automatic recirculated-air control (IHKA Integrated automatic heating/air conditioning)
• Circulated air (IHKR Integrated heating/air-conditioning regulation or Heater control or IHKA Integrated automatic heating/air conditioning)
• Temperature control
• Evaporator control (IHKA Integrated automatic heating/air conditioning or IHKR Integrated heating/air-conditioning regulation)
• Rear window defogger
• Light, display and LEDs
• Independent/auxiliary heating with K bus (as of 1998_09 up to 1999_09)
• Independent/auxiliary heating without K bus (up to 1998_09 with Diesel engine)
• Electric auxiliary heater (as of 1999_09 with DDE Diesel Electronics DDE3.0)

• Evaporator control (compressor control)
• Evaporator sensor
• Pressure sensor
• Compressor control (DDE Diesel Electronics DDE4.0 or DDE Diesel Electronics DDE3.0 or DDE Digital diesel electronics DDE5)
• Compressor control (DME Motor Electronics MS42 or DME Digital Motor Electronics MS43 or DME Motor Electronics MSS54 or DME Digital engine electronics ME9 or DME Digital Motor Electronics MS45)
• Compressor control (DME Motor Electronics BMS46)
• Refrigerant circuit
• Interfaces
• Electric fan (DME Motor Electronics BMS46)
• Electric fan (DME Digital Motor Electronics MS43 or DME Motor Electronics MS42 or DME Digital engine electronics ME9 or DME Digital Motor Electronics MS45)
• Electric fan (DDE Diesel Electronics DDE3.0 or DDE Diesel Electronics DDE4.0)
• K-bus
• Engine speed
• Setpoint potentiometer (IHKR Integrated heating/air-conditioning regulation)

• Electric fan (as of 1998_03 up to 1999_09 with right-hand drive with ( DME Motor Electronics BMS46 or DME Motor Electronics MS42 ))
• Electric fan (as of 1998_03 up to 1999_09 with left-hand drive with ( DME Motor Electronics BMS46 or DME Motor Electronics MS42 ))
• Coolant temperature/electric fan (as of 1999_09 up to 2003_03)
• Coolant temperature/electric fan (( Saloon or Compact or Touring ) as of 2003_03)
• Coolant temperature/electric fan (( Coupe or convertible ) as of 2003_03)
• Specified values, pressure sensor
• Electric Fan