Dinan High Flow Air Intake - 2011-2013 BMW 550i"The Dinan carbon fiber intake looks as good as it performs, allowing more outside air to be pushed into the engine via twin ducts while also providing structural stiffness to the strut towers. Two new air inlets are added, each with its own high flow filter mounted into the mouth of the carbon fiber inlet. The stock air inlet is fully functional to provide four intakes into the engine for maximum airflow. The filtered air passes from the inlets into