This PCV valve diaphragm is designed to match the fit and function of the original diaphragm on specified vehicles, and is engineered for durability and reliable performance. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [BMW 220i: 2014, 2015, 2016, 2017] - [BMW 228i xDrive: 2015, 2016] - [BMW 228i: 2014, 2015, 2016] - [BMW 320i xDrive: 2013, 2014, 2015, 2016, 2017] - [BMW 320i: 2012, 2013, 2014, 2015, 2016, 2017] - [BMW 328d xDrive: 2014, 2015, 2016, 2017] - [BMW 328d: 2014, 2015, 2016, 2017] - [BMW 328i GT xDrive: 2014, 2015, 2016] - [BMW 328i xDrive: 2013, 2014, 2015, 2016] - [BMW 328i: 2012, 2013, 2014, 2015, 2016] - [BMW 420i Gran Coupe: 2016] - [BMW 420i: 2016, 2017] - [BMW 428i Gran Coupe: 2015, 2016] - [BMW 428i xDrive Gran Coupe: 2015, 2016] - [BMW 428i xDrive: 2014, 2015, 2016] - [BMW 428i: 2014, 2015, 2016] - [BMW 520i: 2014, 2015, 2016] - [BMW 528i xDrive: 2012, 2013, 2014, 2015, 2016] - [BMW 528i: 2012, 2013, 2014, 2015, 2016] - [BMW X1: 2012, 2013, 2014, 2015, 2016, 2017] - [BMW X3: 2013, 2014, 2015, 2016, 2017] - [BMW Z4: 2012, 2013, 2014, 2015, 2016]