Features: This multimedia control knob cover is only replacement for BMW vehicles with NBT system, not for EVO system. The knob cover has reliable quality, long service life, ergonomic design and solid structure. Easy to install, simply apply over the OEM knob, and then remove the protective film on top of the button (there is no adhesive backing on the bottom for a quick and easy install). Give your interior an upgraded look and feel. Compatible With: This knob is only replacement for BMW cars with NBT system, not for EVO system. Applicable 7-key models. Specifications: Material: ABS chrome plating + tempered glass Product specification: Black Package weight:80g Pakage list: 1xButton Knob Cover
