Car interior heating system BMW 5 Series E39

Heating system — general information
Fresh air is sucked in through the intake grille of the fine filter housing, located under the windshield, and is supplied by the fan to the vehicle interior....

Details of the heating system
1 - heater fan 2 - bolt 3 - fan output stage 4 - air temperature sensor in the cabin 5 - heater temperature sensor 6 - vacuum hose, black 7 - air duct seals 8...

Removal and installation of the heating / air conditioning control unit
Withdrawal Detach control unit -1-. To do this, insert two feeler gauges -2- on the left and right and press out the spring clips -3- in the positions shown....

Removal and installation of the heater temperature sensor
Withdrawal Remove the heating control unit. Disconnect plugs -1- from temperature sensors. Tilt the temperature sensor back and pull it out. Installation...

Air conditioning system
1 - fan 2 - evaporator 3 - throttle 4 - place of connection to the low pressure circuit during maintenance 5 - point of connection to the high pressure circuit...