BMW Genuine Air Pump Hose - Emission Control Pump to Valve for Z3 2.5 Z3 2.5i Z3 2.8 Z3 3.0i Z3 Product Description: BMW Genuine Air Pump Hose - Emission Control Pump to Valve Quantity within package: 1 Please see Product Description below for vehicle compatibility. Manufacturer Warranty: 24000 miles or 2 years