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.
168 people reported this problem
71 commentsBMW 325i vehicles with this problem
Average mileage: 112,008 miles
(11,000 - 230,000)
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