Original BMW Coolant Expansion Tank – 5/6/7 Series & Alpina B7

Replace the factory coolant expansion tank on BMW 5/6/7 Series from 2009–2013 with this Original BMW part. It stores expanding coolant and provides the system’s fill and recovery point. Applications include 550i, 650i, 750i, 750Li, Alpina B7, and Alpina B7L. 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: 17-13-7-601-948
• Primary function: stores expanding coolant and provides the system’s fill and recovery point
• Vehicle applications: BMW 5/6/7 Series
• Production range: 2009–2013
• Manufacturer: BMW
• Listed models: 550i, 650i, 750i, 750Li, Alpina B7, and Alpina B7L

Fitment & Compatibility

Check the fitment table below against the vehicle’s model, production year, and submodel. 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.