Description:

Radiator Expansion Tank Cap designed for BMW Z4 2009 to 2016 models. This upgraded replacement cap ensures a secure seal at 1.4bar to prevent leaks and maintain proper engine cooling system pressure.

• Compatibility: Fits BMW Z4 years 2009 to 2016
• Pressure Rating: 1.4bar
• Replacement Part Numbers: 17117639020, 17-11-7-639-020, 17117521071, 17-11-7-521-071
• Exterior Finish: Black
• Installation: Simple removal of old cap and installation of new cap on the reservoir
• Package Includes: 1 Radiator Expansion Tank Cap