High quality replacement diaphragm for crankcase ventilation. Easy to install. Replacement requires removing the valve cover using a screwdriver, then removing the old diaphragm and installing the new one. Manufacturer Part Number: 11127645173 Fits: - 1 Series F20 (09/2015 - 06/2019) M140i, M140iX - 2 Series F22 (09/2015 - 06/2017) M240i, M240iX - 2 Series F22 (09/2016 - 12/2019) M240i, M240iX - 2 Series F23 (09/2015 - 06/2017) M240i, M240iX - 2 Series F23 (10/2016 - 12/2019) M240i, M240iX - 3 Series F30 (10/2014 - 10/2018) 340i, 340iX - 3 Series F31 (10/2014 - 06/2019) 340i, 340iX - 3 Series F34 GT (09/2015 - 12/2019) 340i, 340iX - 4 Series F32 (04/2015 - 02/2017) 440i, 440iX - 4 Series F32 (05/2016 - 12/2019) 440i, 440iX - 4 Series F33 (03/2015 - 02/2017) 440i, 440iX - 4 Series F33 (05/2016 - 12/2019) 440i, 440iX - 4 Series F36 Gran Coup (03/2015 - 02/2017) 440i, 440iX - 4 Series F36 Gran Coup (05/2016 - 12/2019) 440i, 440iX - 5 Series G30 (10/2015 - 06/2019) 540i, 540iX - 5 Series G31 (03/2016 - 06/2019) 540iX - 6 Series G32 GT (09/2016 - 06/2019) 640i, 640iX - 7 Series G11 (10/2014 - 01/2019) 740i - 7 Series G12 (10/2014 - 02/2019) 740i, 740iX, 740Li, 740LiX - X3 G01 (10/2016 - 07/2019) M40iX - X4 G02 (03/2017 - 07/2019) M40iX Color: Black Material: Plastic Package Contents: 1 x Valve Cover Gasket Note: The package includes only the items listed above. Other accessories are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.