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Just curious if anybody has a high mileage X3 with no water pump failure? I have a n54 335i fully modded and water pump went at around 80000 miles. I'm at 80,900 miles on the X3 no issues with it other than replacing the oil cooler gasket super easy diy. I already have a new replacement water pump & thermostat in case of failure. I'm also curious if anybody has had rough idle at start up or stop lights and has had their engine walnut blasted?
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