https://www.knfilters.com/33-2428-replacement-air-filter
K&N Replacement drop-in air filter for BMW models below:
BMW 535i F07/F10 N55B30A
BMW 740i/740Li F01 N54B30A/N55B30A
BMW Active Hybrid 5 F10 N55B30A
BMW Active Hybrid 7 F02 N55B30A
BMW X3 F25 N55B30A
BMW X4 F26 N55B30A
BMW X5 #50/F15 N55B30A
BMW X6 E71 N54B30A/N55B30A / F16 N55
BMW 640i F12 N55B30A
Contact us with chassis number if unsure of fitment.