1. Paste type installation, adhesive tape on the back, simple nondestructive installation.2. Conform to fluid mechanics, reduce the wind coefficient, make the car running more smoothly.3. Easy and convenient for installation and disassemble, reliable and durable to use.4. High quality ABS plastic materials manufacturing is waterproof and wear resistant, durable to use.Condition: Item Type: Car Side Installation: Paste typeFitment: for X3 X4 G01 G02 X3M X4M 2018-2021colour: blackMaterial: plasticPackage Contents:2 x Car Side Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.