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What are the causes and solutions for BMW engine overheating?

1 Answers

EmilyFitz

07/30/25 1:31am

BMW engine overheating can be attributed to the following reasons: 1. The cooling system is not functioning properly, leading to poor heat dissipation; 2. The engine itself has a malfunction, causing delayed combustion in the power cycle, which generates excessive heat that the cooling system cannot dissipate in time; 3. Excessive scale deposits on the outer wall of the cylinder liner prevent the heat generated by the cylinders from being transferred to the coolant in time. The solutions for BMW engine overheating are as follows: 1. Immediately reduce speed: After slowing down, drive the car to a safe spot on the roadside and park; 2. Do not turn off the engine immediately: After parking, do not shut down the engine right away, as excessively high water temperature can cause the pistons, cylinder walls, cylinders, crankshaft, etc., to overheat, thinning the engine oil and losing its lubricating effect. Turning off the engine can cause some soft metals to detach, and in some cases, even lead to cylinder sticking; 3. Let the engine idle for a few minutes: Adjust the air conditioning to the heating mode, set the fan to maximum speed, and open the hood to help the engine dissipate heat. Only turn off the engine after the water temperature has dropped.

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