Product Name BMW Audio Switch Air Conditioning Dial Cover Set Ring Panel Trim F20 F21 F23 F30 F31 F34 F36 F80 F82 F83 F87 This is a set of air conditioning dial and audio switch dial covers for various BMW models. It can cover sticky dials and is recommended for repairing and dressing up your car. Specifications Color: Black Metallic Material: Aluminum Alloy Installation: Snap-in type (Installation is easy, just snap it in, and no special tools or work are required.) Size Large: Inner diameter approx. 27.5mm, Outer diameter approx. 30mm Small: Inner diameter approx. 17mm, Outer diameter approx. 20mm Compatibility 1 Series F20 F21 2 Series F22 F23 F87M2 3 Series F30 F31 F34GT F80M3 4 Series F32 F36 F82M4 F83M4 ※For cars with automatic air conditioning