[Excellent Customer Service] If you have any questions, please let us know and we are here for you anytime. [For safe driving] Danger to driving when you hold the phone in your hand. With this phone holder,Provides you with a wide field of vision, does not block your driving view and Let you focus on driving and safer. [Excellent Material] Quality Selected Alloy and Plastic Material.1 min Easy Non-destructive installation. [Firm & Anti-vibration] Firm and stable enough to squeeze and hold easily when driving on rough roads. Stable enough to hold your phone, high quality, no noise and vibration. [Air Vent Phone Holder] Perfectly fit for 2012-2018 F30 F31 F34 320i 325i 328i 330i 335i 340i M3, 2013-2020 F30 F32 F33 F36 420i 428i 430i 435i 440i M4. The phone holder is placed on the car air vent, does not block the air vent and obscures the air flow.