Home » Engine PCV Valve Cover Membrane Rubber for BMW N47N B47 MINI X1 X3 420d

Engine PCV Valve Cover Membrane Rubber for BMW N47N B47 MINI X1 X3 420d

SKU: 1005007627956609-5 PCS
Color
€45,25
-38% €72,41 €45,25

Restore proper crankcase ventilation and prevent oil leakage with this precision-engineered PCV valve cover membrane rubber diaphragm. Designed specifically for BMW N47N, B47, and N47S1 diesel engines, as well as compatible MINI Cooper variants, this replacement component restores factory airflow dynamics. Over time, the original membrane cracks or warps, causing rough idling, excessive oil consumption, and false lean codes. This brand new rubber unit features high manufacturing accuracy and a hermetically sealed construction to maintain consistent vacuum levels while blocking pressurized blow-by gases from escaping prematurely.

Benefits & Usage Tips

  • Seamlessly replaces failed OEM membranes on N47/B47 platforms without requiring full valve cover assembly swaps.
  • Address symptoms like oily spark plugs, poor fuel economy, or hissing intake noises by installing this gasket during scheduled oil maintenance.
  • Seat the new diaphragm carefully into the cleaned housing groove to preserve its hermetic seal and prevent future vacuum leaks.

Product Specifications

  • Material: Flexible Automotive-Grade Rubber
    • Engine Compatibility: BMW N47N, B47, N47S1 (418d, 420d, 420dX)
  • Vehicle Fitments: BMW 1/2/3/4/5 Series, X1/X2/X3, and MINI F-Series models
  • OE Reference Numbers: 11128513755, 11128581798, 11128581797, 11128513754, 11127810584, 11128589941, 11128570828, 11128510539, LR164405
  • Condition: Brand New | Origin: Mainland China
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Package includes:

  • One (1) PCV Valve Cover Membrane Replacement Unit

Important Installation Reminders

Vehicle model listings serve as broad compatibility references. Always cross-check the stamped part numbers on your existing component against the OE reference numbers provided above. Mismatched units will not seal correctly and may cause performance loss. Professional installation is strongly advised to ensure proper alignment and fastener torque.

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