BMW Coolant Expansion Tank for X3/X4 (2018–2024)

Use this BMW-manufactured Coolant Expansion Tank for BMW X3/X4 from 2018–2024. It stores expanding coolant and provides the system’s fill and recovery point. Applications include X3 and X4. This genuine BMW-branded component carries BMW’s U.S. two-year, unlimited-mileage limited parts warranty.

Technical Details

• Component: Coolant Expansion Tank
• Manufacturer part number: 17-13-5-A6A-030
• Primary function: stores expanding coolant and provides the system’s fill and recovery point
• Vehicle applications: BMW X3/X4
• Production range: 2018–2024
• Manufacturer: BMW
• Listed models: X3 and X4
• Listed submodels: M, M Competition, M40i, sDrive30i, xDrive30e, and xDrive30i

Fitment & Compatibility

Use the fitment table below to confirm the exact year, model, submodel, and application notes. Match the engine, hose or connection layout, cooling-system equipment, and production date. Send PMB Performance your VIN for fitment help. Our team has more than 20 years of experience working through European vehicle applications.