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Price: $26.99
The new diaphragm for the crankcase ventilation valve for BMW with engines N45, N45N, M56 is suitable for valve covers with the original numbers 11127526665, 11127568579, 11127521086, 11127565742, 11127777347, 11127509524, 11127526667, 11127568580 (11127521080)A known problem with BMW engines is that over time, the vent valve membrane dries up from time to time and breaks.
The vent valve is built into the valve cover. BMW does not sell membranes for the repair of the Crankcase gas vent valve separately, it is assumed that the car owner will buy a new valve cover.The original membrane is positioned as an integral part of the valve cover device, respectively, it is implemented in an Assembly, the price range of which is approximately 560 dollars. Our company has studied the problem, we have established a production process for the production of membranes corresponding to the original number of the BMW valve cover 11127526665, 11127568579, 11127521086 with engines N45, N45N, M56.Original valve cover numbers that fit the membrane: 11127526665, 11127568579, 11127521086, 11127565742, 11127777347Please verify the part number on your vehicle before ordering.*** The need to replace the crankcase ventilation valve membrane is due to the fact that air enters the engine through a torn membrane that is not taken into account by the mass flow sensor.
As a result, the engine may not start well, it is unstable in operation (especially at idle), there may be interruptions in the ignition, just dust can get into the engine, which contributes to the wear of parts and mechanisms. Increased fuel consumption.
If you hear a whistle in the vicinity of the vent valve, you need a replacement membrane.***During the first start-up, after replacing the diaphragm , the engine may run irregularly (this is due to the fact that when the membrane breaks, the computer's fuel cards were reconfigured in accordance with the readings of the lambda probes that registered an increased oxygen content).
After replacing the membrane, activating the valve, and draining the unaccounted air, the computer takes some time to set up the fuel cards.
It is necessary to allow the engine to run for a while, turn off the ignition and start again, the engine should go to normal operation.
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