Steps of using: 1. Clean the place where you need to paste and then wipe the water with towel or tissues. 2. Before installation, confirm the location. 3.Tear off the double-sided adhesive of decorative ring and then paste. Fitment: For 3 Series G20 Sedan G21 Wagon G28 318i 320i 325i 330i 330d 330e M340i xDrive 2019 2020 2021 2022 2023 Note: Does not fits Base Model! Specification: Super-light Weight and . UV-Protective Clear Coated: Fade & Rush . No Modification or Cutting Required Hard UV-Protected Coating. Improves Appearance and AeroDynamic All at Once. Material: ABS colour: black Package Contents: 4 * Front+Rear Bumper Canards Lip (Left+Right) Only the above package content, other products are not included. Note: Light reflection 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.