1、Applicable Model: Cooling hose connector is replacement for 1 Series E81 2006 to 2011; fit for 3 Series E90 2004 to 2008; fit for 5 Series E60. 2、OE Number: The part number of cooling hose connector for reference is 11537560130, please confirm whether it is consistent with the OE you need. 3、Heat Resistant: Durable ABS construction withstands high temperatures, corrosion, and pressure, ensuring optimal cooling system performance. 4、Reduce Leakage: Coolant pipe fittings are precisely designed and manufactured to prevent coolant leakage, reducing cooling system losses and maintenance costs. 5、Perfect Match: Cooling hose connector has the same size as the original car, can be installed without change, which is convenient and quick to save time.