2004 BMW 760i Engine: 6.0L V12; Located on Water Pump;. 2005 BMW 760i Engine: 6.0L V12; Located on Water Pump;. Part Type: Engine Coolant Temperature Sensor. Engine Coolant Temperature Sensor. California Proposition 65: WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or reproductive harm.