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BMW Repair/Fault code P1624
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Question
I have a code that keeps coming up which is P1624. It just says it is AUX inputs AUX outputs manufacture control. Would you happen to know what this code is and where the part might be. Was told that it might be the coolant thermostat. Have a 2000 BMW 323CI with a M52 engine.
Code P1624:M52 coolant temperature below thermostat regulating temperature.I would check the temperature of the coolant and also with a scan tool check the actual reading given by the coolant temperature switch.It could be the thermostat or a coolant sensor.Look also for any broken/corroded wires to the sensors as well.
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Don Berlan
Expertise
ASE Master Mechanic for 25 years. Can help with all aspects of BMW repair. I especially enjoy driveablity problems, mechanical or electrical.
Experience
I have been an ASE Master Mechanic for 25 years.I have worked in many dealearships although BMW's are my favorite.I now have my own shop,specializing in BMW's.I have autocrossed and even gotten into mud running with my 4x4.(I am NOT a teacher and don't claim to know everything about the cars I never see.I hope to help you with your repairs and do expect some knowledge on your side.)
Education/Credentials
CMVTI, Auburn Maine
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