When Should I Replace My Engine Coolant Reservoir Cap? - 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. If your car is experiencing problems such as coolant leaks, engine overheating, abnormal cooling system pressure, and a deteriorated or damaged radiator cap, you may need to replace your coolant cap.
Replacement Part Numbers - 17117639020, 17-11-7-639-020, 17117521071, 17-11-7-521-071. This radiator cap is used on many BMWs. Please check the detailed description or enter Year/Make/Model to check your compatibility before purchasing this expansion tank cover.
Compatible with Select BMW Models - 2008 - 2013 BMW 128i, 2008 - 2013 135i, 2017 - 230i, 2017 - 230i xDrive, 2013 - 2018 320i, 2013 - 2018 320i xDrive, 2014 - 2018 328d, 2014 - 2018 328d xDrive, 2007 - 2016 328i, 2009 - 2016 328i xDrive, 2006, 2017 - 330i, 2017 - 330i xDrive, 2007 - 2015 335i, 2009 - 2015 335i xDrive, 2017 - 430i, 2012 - 2016 528i, 2018 - 2023 530e, 2018 - 2023 530e xDrive, 2017 - 2023 530i, 2017 - 2023 530i xDrive, 2013 - 2017 535i GT xDrive, etc.
Compatible with Select BMW Models - 2017 - 2023 540i, 2017 - 2023 540i xDrive, 2012 - 2018 640i, 2013 - 640i Gran Coupe, 2014 - 2018 640i xDrive, 2014 - 640i xDrive Gran Coupe, 2013 - 740i, 2017 - 740i xDrive, - 2025 840i, - 2025 840i Gran Coupe, - 2025 840i xDrive, - 2025 840i xDrive Gran Coupe, 2017 - M240i xDrive, 2008 - 2013, 2023 - 2025 M3, 2011 - 2024 X3, 2015 - 2025 X4, 2009 - 2025 X5, 2015 - 2025 X6, - 2025 X7, 2009 - 2016, Z4, etc.
Direct Replacement - Perfect match, direct replacement. This coolant overflow tank cap is made from premium materials to ensure superior quality and long-lasting performance. This is not a genuine part, but an aftermarket replacement. We have strict quality control standards to ensure high performance. If you have any questions or concerns, please feel free to contact us.
Color: Black
Brand: CEYHTLY
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