Repair kit or Membrane for BMW N55 Cylinder Head Cover – 11127570292
new repair kit or diaphragm valve for crankcase ventilation.
producer sells only cover entirely.
we produce repair kit and membrane separately!
savings of more than $400
Repair is necessary to remove the old valve cover and install in its place a new valve assembly. do not forget to replace the spring.
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Valve n55
The valve of ventilation of crankcase gases plays an important role in the proper and stable operation of the engine. This device has the function to reduce the level of harmful substances in the exhaust to equalize the pressure in the cylinder and the crankcase. The principle of operation is quite simple: the gas pressure n55 valve opens and the vacuum from the throttle valve closes. When the speed of the airflow increases, the vacuum in the ventilation system n55 become stronger. If the valve is not running, the increased oil burning, disturbed mixing. As a result, this can have a detrimental effect on engine operation.
Malfunction PCV n55 are connected, as a rule, pollution tubes, damage of valves and membranes.
Those who faced it can easily check the valve functionality. For this you need to put a tube on the spout of the valve cover, which is located in the valve cover n55, and try to blow through it. If the valve passes air, then the valve is damaged, and the membrane is torn, need to be replaced. To troubleshoot this issue, it is imperative to restore and increase the life of the engine.
The automaker does not have these parts in the sale, he offers to buy the valve cover (11127570292). The price for it is entirely not small and for many motorists to get an unpleasant surprise. We produce and sell a new valve and membrane separately, excellent quality, so to solve this problem much cheaper and quicker, especially because replacement is not difficult and will not take much of your precious time.
However, the system works like new and will last a very long time.