How to disassemble the BMW 320 heater motor?

1. First, find the exact location of the BMW 320 heater motor, which is behind the passenger compartment.

2. Secondly, remove the wire plug from the heater motor, remove the contact plate screw, lift the contact plate, and disconnect the wire connected with the series resistor.

3. Finally, remove the flange fixing bolt of the heater motor and take it off the heater motor.