Description:

Upgraded Radiator Expansion Tank Cap designed for BMW 340i xDrive 2016 to 2017 models. This replacement part ensures a secure seal and maintains proper system pressure at 1.4bar to prevent coolant leaks.

• Compatibility: BMW 340i xDrive 2016 to 2017
• Pressure Rating: 1.4bar
• Replacement Part Numbers: 17117639020, 17-11-7-639-020, 17117521071, 17-11-7-521-071
• Exterior Finish: Black
• Package Includes: 1 Coolant Reservoir Cap