BMW Expansion Tank Cap Reutter 17117639020

The BMW Expansion Tank Cap Reutter 17117639020, manufactured by Reutter (part number 17-11-7-639-020 / 17117639020), is an OE supplier component designed for use on specified BMW models requiring a 1.4 bar cap for large expansion tanks. As an OEM-quality part, it ensures reliable cooling system performance and precise pressure regulation.

Key Benefits:

• OE supplier component for factory-level performance
• Engineered to meet BMW specifications for select models using a 1.4 bar cap
• Reutter-manufactured and cross-referenced with OE part numbers

Verified Fitment Highlights:

• Compatible with select BMW 1, 2, and 3 Series models, including 1 Series M (2011), 128i, 135i, 135is, 228i, 228i xDrive, 230i, 230i xDrive, 320i, 320i xDrive, 325i, 325xi, 328d, 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 328xi, 330e, 330i, 330i GT xDrive, 330i xDrive, 330xi, 335d, 335i, 335i GT xDrive, 335i xDrive, 335is, 335xi, 340i, and 340i GT xDrive within specified years, body types, engines, and chassis codes, as outlined above.

This expansion tank cap is the professional choice when maintaining the integrity and efficiency of your BMW cooling system. Always confirm compatibility with your vehicle’s exact specifications before purchase.