Description:

Item Information: 17117639020 17117521071 Radiator Cap / Cooling Cap 140 KPa(1.4bar) Compatible with BMW 335i 2007- 2015. Function: The radiator cap is a sealing cap installed on the radiator or expansion tank filler port, it is not only a simple cap, but also has a pressure regulating function and is an important part of the cooling system. Direct Replacement: Direct replacement. This overflow tank cap is made from premium materials to ensure quality and long-lasting performance. This is not a oe part, but an aftermarket replacement; Fix issues: cooling leaks, engine overheating, abnormal cooling system pressure, and a deteriorated or damaged radiator cap.