WDS Wiring Diagram System - E90

• Complete vehicle
• Component and signal information
• Service functions

• Components
• Signals
• Plug-in, comb-type and solder connectors

• A_Control units, modules
• B_Sensors, transducers
• E_Lamps, electrical heaters
• F_Fuses
• G_Power supply, triggering units
• H_Acoustic and optical signalling units
• I_Components of outside manufacturer
• K_Relays
• L_Coils
• M_Electric motors, drives
• N_Amplifiers, controllers, control units
• R_Resistors, potentiometers
• S_Switch, button
• T_Ignition coils
• U_Radio/interference-suppression equipment
• W_Aerials, shields
• Y_Electromechanical components
• Z_Interference-suppression coils

• R1 Temperature distribution potentiometer
• R12 Fresh air grille, rear compartment
• R6138 Electric auxiliary heater
• R62521 Throttle valve sensor
• R62522 Throttle valve sensor 2
• R8554 Classification resistor

• M152, X4705, R6138, X14273, B109a, X01200 (IHR Integrated heater control with left-hand drive)
• M153, X4701, R6138, X14273, B62, X01201, B109a, X01200 (IHKA Integrated automatic heating/air conditioning with left-hand drive)
• M152, X4705, R6138, X14273, M111, X4704 (IHR Integrated heater control with right-hand drive)
• M30, M153, X4701, R6138, X14273, N2, X18722, M111, X4704 (IHKA Integrated automatic heating/air conditioning with right-hand drive)