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

• Seat adjustment, driver's side
• Seat adjustment, passenger's side
• Seat heating, front left
• Seat heating, front right
• Lumbar support, driver's side
• Lumbar support, passenger side
• Outside mirror, driver's side
• Outside mirror, passenger's side
• interior rear-view mirror

• Seat heating (up to 1999_09)
• Seat heating (as of 1999_09)
• Seat heating, left
• Centre console switch centre (SZM Switching centre, centre console)

• S53 Driver's seat heating switch (as of 1998_03 up to 1999_09)
• Driver's seat heating (as of 1999_09 up to 2000_09 with left-hand drive)
• Driver's seat heating (as of 1999_09 up to 2000_09 with right-hand drive)
• Driver's seat heating (left-hand drive as of 2000_09)
• Driver's seat heating (without left-hand drive as of 2000_09)
• Seat heating (up to 1999_09)
• Current measurement, seat heating
• Seat heating (as of 1999_09)