Coolant Loss Due to Leak from Expansion Tank: BMW X5 Engine & Powertrain

Problem overview

An engine coolant leak may develop from the expansion tank resulting in engine overheating. When a cooling system component fails the entire cooling system should be inspected. It is not uncommon to find additional component have failed or are leaking.

Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.

97 people reported this problem

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BMW X5 vehicles with this problem

10 model years affected

Average mileage: 116,481 miles

(12,900 - 247,000)

Repairs related to this problem

Coolant Leak Diagnosis

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Coolant Loss Due to Leak from Expansion Tank on BMW X5

Problem overview

BMW X5 vehicles with this problem

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