Membrane PCV M54, M52TU
Membrane valve of ventilation crankcase gases M54, M52TU
(Valve recycling crankcase gases M54, M52TU BMW).
The original part number is 11617501566, 11611432558, 11617533400, 11617531423
In the valve fails membrane, which breaks down due to high temperatures and aging of the material, as a result of the motor starts smoothly idling, lost thrust from below, possible increased oil consumption, oil smoke motor, deviation summing correction in the diagnosis, a whiz with rear portion of the inlet manifold.