Compatible Vehicle: Suitable for 2018 2019 2020 2021 X3 G01/2018 2019 2020 2021 X4 G02 Product material: base is plastic, bracket is plastic + aluminum alloy material Product features: the base is developed using the original car data, only applicable to this model Installation: fixed base, buckle design, and then connect the bracket, the screws need to be tightened to avoid bracket shaking Applicable cell phone size: for 4-7 inch cell phone size JNGXQ car Phone Holder Compatible with 2011-2023 BMW X3 X4 F25 F26 G01 G02 IX3 Phone Mount Interior Accessories X3M X4M Phone Stand Vent (for 2018-2021 X3 G01/2018-2021 X4 G02)