These are a set (left and right) of 4 real carbon fiber b-pillars for the 89-95 BMW E34 5 series 4 Door Sedan. It is precision cut and protected with a UV resistant gel coat so that it will not deteriorate under rain or sun. With beautiful Grade A Carbon Fiber Weaves, this item is sure to make your car a crowd pleaser. Installation instructions are included. 100% perfect fitment guaranteed. NOTE: This only fits the 89-95 BMW E34 5 series 4 Door Sedan.