Where is the heater valve of BMW x6?

the warm air water valve of BMW x6 is located between the main water tank and the warm air water tank of the engine. The warm air water valve includes a valve body, a valve cover, a valve plate and a vacuum diaphragm box assembly. The warm air working principle of the automobile heater is that the radiator in the heater is connected with the circulating water of the engine through the inlet and outlet pipes, and the warm air water valve is the warm air switch of the automobile heater. When the water valve is opened, the waterway is connected, the circulating water of the engine enters the radiator, and the fan blows heat into the cab. The BMW x6 is equipped with a 4-horsepower 4.4-liter twin-turbocharged V8 engine. With the all-wheel drive system, it can output up to 45 lb-ft of torque.