BMW Genuine Air Hose - Air Mass Sensor Boot to Idle Control Valve for 323i 328i M3 3.2 Z3 M3.2 E36 Z3 Product Description: BMW Genuine Air Hose - Air Mass Sensor Boot to Idle Control Valve Quantity within package: 1 Note: Not for cars with ASC+T. Please see Product Description below for vehicle compatibility. Manufacturer Warranty: 24000 miles or 2 years