I installed the Behr 88c tstat in my Dinan 4.6 as well and for some odd reason, it is running 96c-103c. I mainly see 99-102c while driving. I have the same tstat in my e38 and it runs 90-95c all the time. I am pretty sure I bled the X5 pretty well and did not see any bubbles. Any ideas?

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02 Imola on Black Dinan S2 4.6iS
00 RoyalRot on Sand/Black 740i Short Sport