Presenting our newest carbon fiber diffuser option for the BMW F98 X4M is our 3D Style Carbon Fiber Diffuser. This 3D Style diffuser is built using 2x2 carbon fiber fabric and is coated with a high quality and high gloss clear coat. This gives the product that 3 dimensional look while keeping the carbon fabric looking new and safe from the harsh outdoor element. Each one of these diffusers has to pass our strict quality control process before shipping to the customer. In addition to our QC process we also back this piece with a fitment and quality guarantee. Please note this F98 diffuser only fits pre LCI X4M applications.