Check Engine Light and/or Engine Overheating on BMW 330i

The thermostat may fail resulting in engine overheating and/or illumination of the Check Engine Light. Replacement of the thermostat along with a complete inspection of the cooling system will be necessary to correct this concern.

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: 156,000 (114,000–214,000)
5 model years affected: 2001, 2002, 2003, 2004, more2005
8 people reported this problem
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problem details
2001 BMW 330i 114,000 mi,
ckeng light on low coolent comes on gage showing normal
2001 BMW 330i 214,000 mi,
Car overheats