Thread: Coolant system antics
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Old 08-02-2023, 05:37 PM
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wpoll wpoll is offline
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Quote:
Originally Posted by Oldmactech View Post
Question:

What does the 4 wire box that sits on the topside of the back of the fan shroud, passenger side do?


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AUC module - it's an air quality analyser that is used to control the air recirculation when set to automatic.
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2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)
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