Valve Cover Cap 11128645888 C For BMW E87 E90 E91 E60 E83

The automobile engine valve cover pressure control valve is an important engine control device, which is mainly achieved by monitoring and adjusting the air pressure in the valve cover.

When the engine is running, the air pressure in the valve cover will change with the changes in engine speed and load, and the valve cover pressure control valve can adjust the air pressure in the valve cover in real time according to these changes, ensuring the normal operation of the engine and improving combustion efficiency and power output.