Shop 2013 BMW M6 Cap. Reservoir. Engine Coolant Expansion Tank - Repair or Replace A failed expansion Expansion, Primary, NON - OEM BMW Part # 17117639021 (17-11-7-639-021, 17137516004)

A cover that prevents foreign debris from entering the container. Location-Reservoir. Primary. Radiator Cap. Engine Coolant. Radiator. Screw for expansion t. Included with: Reservoir tank.

Radiator CapEngine Coolant Reservoir Cap

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.