Function: Made of high temperature rubber material. It has a good fit, would not break or crack easily during use. Cracked air intake hose would cause the engine to jump and the car to take off very slow. The air intake hose is mounted between air intake box and throttle body on your vehicle.When the air intake hose, which is the ABS tube piece that connects the air filter box and the intake manifold, becomes old or possibly even cracks, it won't function appropriately. Product Dimension: Color: Black Material: Rubber Outside Diameter 1: 8.5cm/3.35" Outside Diameter 2: 7.9cm/3.11" Outside Diameter 3: 7.9cm/3.11" Outside Diameter 4: 8cm/3.15" Inside Diameter 1:7.9cm/3.11" Inside Diameter 2:7.3cm/2.87" Inside Diameter 3:6.8cm/2.68" Inside Diameter 4:7cm/2.75" Size 1: 19.4x10.9x8.9cm/7.64"x4.29"x3.50"(L*W*H) Size 2: 14x12x9cm/5.51"x4.72"x3.54"(L*W*H) Compatibility: for BMW 323Ci 2.5L 2000 for BMW 323i 2.5L 1999-2000 for BMW 325Ci 2.5L 2001-2006 for BMW 325i 2.5L 2001-2005 for BMW 325xi 2.5L 2001-2005 for BMW 328Ci 2.8L 2000 for BMW 328i 2.8L 1999-2000 for BMW Z3 2.5L 3.0L 2001-2002 for BMW Z3 2.5L 1999-2000 OE Number:13541435627/13541705209Please Attention: This is non-OEM product, accessory ONLY! Please confirm the model, displacement and year of your car before purchasing. Please allow slight dimension differences due to different manual measurements. Ship Content:2 Pcs - Air Cleaner Intake Hose Tube with Clamps