Shop OEM BMW Part # 17137617362 (17-13-7-617-362). Engine Coolant Reservoir. 2016-19. 2017-19, PRIMARY. 2017-20. 2018-19, PRIMARY. Cooper Countryman; 1.5L. Cooper Countryman; 1.5L; w/o S E

Engine Coolant Reservoir. Expansion tank.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Cooper, Cooper Clubman, Cooper Countryman, X1, X2

2016-19. 2017-19, PRIMARY. 2017-20. 2018-19, PRIMARY. Cooper Countryman; 1.5L. Cooper Countryman; 1.5L; w/o S E ALL4. Cooper Countryman; 1.5L; w/S E ALL4; Main Expansion Tank. Cooper Countryman; 2.0L; w/John Cooper Works. Cooper Countryman; 2.0L; w/o John Cooper Works. COOPER S E, ENGINE COOLING. Mini Cooper. W/O M MODEL, 2018-19. X1. X2.
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.