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URO 17117521071 Engine Coolant Reservoir CapOE Quality 60-Day Returns
Part #: 17117521071

URO 17117521071 Engine Coolant Reservoir Cap

48 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 1 Series M, 128i, 135i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335d, 335i, 335i xDrive, 335is, 335xi, 528i, X3, X5, and Z4
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Not what you need? See all Engine Coolant Reservoir Cap options

BMW Coolant Reservoir Cap Replacement

This URO engine coolant reservoir cap is a direct-fit replacement for select BMW cooling systems. It is built to match OE cap dimensions for proper sealing on original and aftermarket coolant recovery tanks, including applications such as the BMW 328i, 335i, and X5.

  • Precision-molded to OE cap dimensions for fitment on original and aftermarket coolant recovery tanks
  • Heat-resistant cap and seal materials for the engine cooling environment
  • Factory pressure-tested for sealing performance
  • Guaranteed fitment for listed BMW applications
  • 24 Month Unlimited Mileage Warranty

Fitment and Application

Compatible with 2006-2012 BMW cooling system applications, including Fits 2006 BMW 325i, N/A; Fits 2006 BMW 325xi, N/A; Fits 2006 BMW 330i, N/A; Fits 2006 BMW 330xi, N/A; Fits 2007-2008 BMW 328xi, N/A; Fits 2007-2008 BMW 335xi, N/A; Fits 2007-2011 BMW 328i, N/A; Fits 2007-2011 BMW 335i, N/A; Fits 2008-2012 BMW 128i, N/A; Fits 2008-2012 BMW 135i, N/A; Fits 2009-2011 BMW 328i xDrive, N/A; Fits 2009-2011 BMW 335d, N/A; Fits 2009-2011 BMW 335i xDrive, N/A; Fits 2009-2011 BMW Z4, N/A; Fits 2009-2012 BMW X5, N/A; Fits 2011 BMW 1 Series M, N/A; Fits 2011 BMW 335is, N/A; Fits 2011 BMW X3, N/A; Fits 2012 BMW 528i, N/A.

Part number 17117521071 is also referenced by BMW OE number 17 11 7 521 071 for the same application.

What This Cap Helps Address

  • Coolant loss from a cap that no longer seals correctly
  • Pressure retention issues in the expansion tank
  • Warning lights or overheating concerns related to cooling system pressure
  • Cracked, worn, or heat-aged reservoir cap seals
  • Fitment problems when replacing an original BMW coolant cap

Installation Notes

Inspect the coolant reservoir neck and sealing surface before installation. Make sure the cap is fully seated and locked in place, and verify the cooling system is at a safe temperature before removing or replacing the cap. Confirm the part number 17117521071 matches the vehicle application before installation.

Quality Assurance

URO manufactures this coolant reservoir cap to OE dimensions and factory pressure-tests it for sealing performance. It is backed by a 24 Month Unlimited Mileage Warranty.

This part fits 48 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2012BMW128iN/A
2012BMW135iN/A
2012BMW528iN/A
2012BMWX5xDrive35dN/A
2011BMW1 Series MN/A
2011BMW128iN/A
2011BMW135iN/A
2011BMW328iN/A
2011BMW328i xDriveN/A
2011BMW335dN/A
2011BMW335iN/A
2011BMW335i xDriveN/A
2011BMW335isN/A
2011BMWX3N/A
2011BMWX5xDrive35dN/A
2011BMWZ4N/A
2010BMW128iN/A
2010BMW135iN/A
2010BMW328iN/A
2010BMW328i xDriveN/A
2010BMW335dN/A
2010BMW335iN/A
2010BMW335i xDriveN/A
2010BMWX5xDrive35dN/A
2010BMWZ4N/A
2009BMW128iN/A
2009BMW135iN/A
2009BMW328iN/A
2009BMW328i xDriveN/A
2009BMW335dN/A
2009BMW335iN/A
2009BMW335i xDriveN/A
2009BMWX5xDrive35dN/A
2009BMWZ4N/A
2008BMW128iN/A
2008BMW135iN/A
2008BMW328iN/A
2008BMW328xiN/A
2008BMW335iN/A
2008BMW335xiN/A
2007BMW328iN/A
2007BMW328xiN/A
2007BMW335iN/A
2007BMW335xiN/A
2006BMW325iN/A
2006BMW325xiN/A
2006BMW330iN/A
2006BMW330xiN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

118 06081 001118 06081 072118 06081 280118 06081 73817 11 7 521 07117 11 7 639 0201711752107117117521071U376738374CPE0035URO-007770

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.