[Compatibility] This car volume knob decoration cover ring Just fits For 1 2 3 3GT 4 Series X1, so please make sure if it is fit for your car before place an order. [Superior Quality] The car volume knob decoration ring is made of aluminium alloy material, and has been polished plating on the entire of the metal, both feel and gloss are amazing, which is , scratch-resistant, dirt-resistant, -resistant, and delicate Contact. [Firm Installation] There is a double-sided tape on the interior of the volume adjustment knob ring, which is non-destructive installation, convenient and fast, does not affect the original car volume knob button, remove without leave any mark or damage on . [Decorate Your Cars] Volume adjustment knob cover is dedicated to give your vehicle a wonderful look and give you an extra sense of ceremony. Upgrade the look of the interior of your car, provide a unique and eye catching decoration style. Protect your car original part from scratches and abrasion Mounting Type: Mount Car Model: Fit for : Only for the button with AUTO for 1 2 3 4 series f30 F34 F46 2013-2017 Fit for X1 F48 2016 2017 2018 Fit For X2 F47 2018 Colour: Silver Material: aluminum alloy Package Contents: 3 x Knob Button 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.