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Old 12-29-2012, 02:04 PM
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Fudman Fudman is offline
Officially Welcomed to the 'Fest
Location: Sudbury, MA
Join Date: Apr 2007
Posts: 6,593
Mein Auto: '02 530i Sport auto
You don't say what year your car is. But the photo is definitely your thermostat and the symptoms are consistent with a failing thermostat. This is the DIY for a M52 engine:
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