DINAN COLD AIR INTAKE - 1999-2003 BMW 540I a90 supra Labor or shipping charges are

Labor or shipping charges are not included in the warranty and are at the discretion

Twin exhaust valves are a whopping 76mm diameter

Larger volume air box (60% larger than stock)

The F10 M5 Dinan high flow carbon fiber cold air intake

In and of itself

DINAN COLD AIR INTAKE - 1999-2003 BMW 540I a90 supra Labor or shipping charges areDinan High Flow Cold Air Intake Systems develop horsepower and torque gains by improving the engine's intake airflow. The aggressive system design provides for a less restrictive intake airflow than the stock system for greater engine efficiency and the lowest possible intake air temperatures. The Intake Systems replace the factory air box with a cylindrical performance filter and carbon fiber intake pipe. The filter is relocated to a separate