BMW 325Ci Problem Report

BMW 325Ci Check Engine Light and/or Engine Overheating

(11 reports)

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.

Using an OBDII Scanner Tool, error codes determined that the thermostat failed open, and the service engine soon light came on. Replaced thermostat, problem went away. No engine overheating occurred. -
Service engine soon light came. As per my Non BMW mechanic, thermostat was the culprit, which was replaced. -
Thermostat stuck open. replace thermostat. -
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