Come with adhesive, easy to paste. Correct Connector No cutting or splicing. This is a cover only. Strict quality control standards to build and test. Name: Window Switch Sticker Type: Window Switch Button Sticker Condition: 100% Brand New Fitment: for 3 Series X5 X6 X1E90 for X5 X6 2008-2013 for 3 Series 2005-2012 for X1 2010-2014 Pasting Steps: 1. Make sure to clean and dry the installation location. 2. Carefully test the fit of the part in the installation location. 3. Carefully tear off the glue sticker, you can use the hair dryer to warm up the adhesive for installation. 4.Fixed position carefully, stick from one side. press firmly three minutes. 5.Do not expose to the sun or water within 48 hours. 6.You can go to a professional automotive shop for installation. Attention: Please check the item description and photos. Make sure this item fits your car before ordering. The adhesive is on the back. Please note that you can use a hair dryer to warm up the adhesive tape for