Original BMW Coolant Expansion Tank for X5/X6

When servicing the engine cooling system on BMW X5/X6 from 2007–2019, use this Original BMW Coolant Expansion Tank. It stores expanding coolant and provides the system’s fill and recovery point. Applications include X5 and X6. BMW’s U.S. warranty coverage for Original BMW Parts is two years with unlimited mileage.

Technical Details

• Component: Coolant Expansion Tank
• Manufacturer: BMW
• Manufacturer part number: 17-13-8-621-092
• Primary function: stores expanding coolant and provides the system’s fill and recovery point
• Production range: 2007–2019
• Vehicle applications: BMW X5/X6
• Listed models: X5 and X6

Fitment & Compatibility

Review the table below for year-by-year model coverage, submodels, and any listed equipment notes. Match the engine, hose or connection layout, cooling-system equipment, and production date. A VIN check can resolve production splits or equipment differences. PMB Performance brings more than 20 years of European-parts experience to that review.