Description:

This Radiator Cooling Cap is a direct replacement part designed for BMW 640i xDrive Gran Coupe 2014 to 2017 models. It ensures proper pressure regulation within the cooling system to prevent engine overheating and leaks.

• Compatible Models: BMW 640i xDrive Gran Coupe 2014 to 2017
• Pressure Rating: 140 KPa 1.4bar
• Part Numbers: 17117639020, 17117521071, KINGF7431 A 47
• Material: Plastic
• Function: Seals radiator or expansion tank filler port and regulates system pressure
• Fixes Common Issues: Cooling leaks, engine overheating, and abnormal cooling system pressure
• Included Components: Reservoir Cap