Had mine on for ages as already said just clean the bit where your going to stick the strip with thinners didnt damage my bumper once youve done that get a hair dryer warm the bumper up a touch and apply the sticker then just apply abit more heat over the strip works fine mines never came off just dont try and rush it on make sure you clean it well with the thinners so theres no bumper dressing on there etc.Once youve done that you can apply your bumper dressing job done.