Water Pump May Develop Coolant Leak on BMW 330i

The low coolant light may illuminate and/or the engine may overheat as a result of a coolant leak from the water pump. The leaking pump will require replacement and the entire cooling system should be inspected for leaks as it is not uncommon to find multiple leaks on higher mileage vehicles.

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.

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Average mileage: 118,042 (75,000–200,000)
6 model years affected: 2001, 2002, 2003, 2004, more2005, 2006
13 people reported this problem
5 people shared problem details
2002 BMW 330i113,500
Check Coolant Level comes on often, even after a recent lube and oil. I either add water or stop by my car repair shop to add coolant but happens more often than should.
2006 BMW 330i99,800
On a cold start fan revs very high to attempt to cool engine.
2006 BMW 330i75,000
Coolant light on trying to repair for a month now keep having the same problems been to two shops now still no good
2001 BMW 330i200,000
Coolant light on.engine overheating. Antifreeze loss
2001 BMW 330i114,000
Water pump burst leaking all coolant. I am taking the car in as soon as possible to have this looked at and replaced.
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