The ambient temperature sensor measures outside temperature and sends the information to the temperature gauge.
65-81-8-350-779-M9
Temperature Sensor Outdoor Temperature for Onboard Computer, 750iL from 10/88 Brand: Genuine BMW [Photo]
$28.75
A/C Evaporator Temperature Sensor
64-51-1-468-411-M6
Temperature Sensor for Evaporator, 750iL (1 Per Car) Brand: Behr [Photo]
$22.25
Ventilation System Switches, Relays & Sensors
Heater Core
The heater core expels heat from the engine coolant through a series of pipes which are covered by a shroud connected to the heater motor. When air is blown through the heater core, the air is heated, then blown into the passenger compartment.
