Reservoir. Tank. Engine Coolant. Expansion.
A container that holds Engine Coolant.
Engine Coolant Reservoir
Fits 530i, 540i, 750i, 750i xDrive, M550i xDrive, M760i xDrive, X5, X6, X7, XM
2017-19, INNER RADIATOR. 4.4 LITER TWIN TURBO, INNER RADIATOR, 2019-22. 4.4 LITER TWIN TURBO, INNER RADIATOR, 2023-25. 4.4 LITER TWIN TURBO, OUTER RADIATOR, 2023-25. 4.4 LITER, MAIN. 6.6 LITER. 6.6 LITER, MAIN. 750i, 750ix; Main. INNER RADIATOR. M, M COMPETITION, PRIMARY, UPPER, inner radiator. M50I,M60I, PRIMARY, inner radiator. M550i xDrive; Outer; N63R Engine. M760i xDrive. M760ix; Main. W/M MODEL, INNER RADIATOR. W/O M MODEL, INNER RADIATOR, 2019-23. W/O M MODEL, INNER RADIATOR, 2024-25. X5; Main. X6; Main. X7; Main.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.