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Discussion Starter #1
My 2010 needs a new thermostat again at 110,000 miles as the coolant temperature hovers around 80 C. Are the thermostats year specific or will any thermostat fit as long as it was designed for the E70? Example can I put a thermostat that shows up as a part for model year 2012 in a 2010? Reason I ask is that the thermostat in my 2012 is working like new after 67,000 miles, with temperature reading around 90 C. I have a nagging feeling that post-LCI X5's are better built with better quality parts.
 

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My 2010 needs a new thermostat again at 110,000 miles as the coolant temperature hovers around 80 C. Are the thermostats year specific or will any thermostat fit as long as it was designed for the E70? Example can I put a thermostat that shows up as a part for model year 2012 in a 2010? Reason I ask is that the thermostat in my 2012 is working like new after 67,000 miles, with temperature reading around 90 C. I have a nagging feeling that post-LCI X5's are better built with better quality parts.


I had to change thermostat on my 2013 at 63k. It was reading 77c. I would say expect 60-70k when it comes to t-stat.



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Nuclear engineer
02/2012 X5 35d M57Y CPO 99K miles NOKIAN WR G3 12K miles
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17,471 Posts
Autopsy thermostats and data base

I have suggested before that we post autopsies of thermostats, for as much trouble as they cause us and the rate of their failure anecdotally.
 
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