Remove the temperature sensor for the electric heater

NOTE: DANGER
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see: 61 00... SAFETY INSTRUCTIONS on handling hybrid cars
For additional information see: 61 25... NOTES on repair of high-voltage battery unit

Preliminary work

Remove right flap in luggage compartment TRIM PANEL .
De-energize the HIGH-VOLTAGE SYSTEM .
CHECK that no voltage is applied.
Disconnect all battery GROUND LEADS .
Remove rear UNDERBODY PROTECTION .
Remove ELECTRIC HEATER .

Loosen screws (1).
Remove holder (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1).
Remove the coolant temperature sensor (2).

Courtesy of BMW OF NORTH AMERICA, INC.