1.Pls use alcohol or agent to clean the position of the installation (to make it without the grease.Wax or dust etc.) 2.pls the position of installation can be completely fit the case before install, (Note: if there any questions or ,please contact us) 3. the strong double-sided adhesive of the back , if meet the case of a relatively low temperature, please heating it via the hair dryer or lighter . 4.According to the comparison stick up it and press about 1-2 minutes (Note:do not wash your car in 24hours , the adhesive should be fixed after 12 hours ) 5.The installation have been completed , DIY item --- Easy to install Condition: Made of high quality ABS Plastic Easy installtion, automotive adhesive tape is attached Decorate your car charming luxury vivid Fitment: For 5 Series F10 F11 F18 2010-2017 Material:ABS colour:Black Package Contents: 2 x Door Handle Bowl Cover Trim 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.