Bimmerfest - BMW Forums - View Single Post - Strange sound during cold driving
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Old 01-25-2012, 08:38 PM
Slyncka Slyncka is offline
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Location: Pittsburgh, PA
Join Date: Aug 2010
Posts: 1
Mein Auto: 525xi
Did this start after the weather got colder? Maybe check if it still makes the sound with the heat on/off or with different settings there.

Could be the heater core or something else with the heating?
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