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Old 12-29-2012, 01:04 PM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
Join Date: Apr 2007
Posts: 6,267
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: http://www.bmwtips.com/tipsntricks/T...tat/tstat.html
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