Bimmerfest - BMW Forums - View Single Post - Cannot get the air out of the cooling system! Weird
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Old 11-12-2012, 08:42 PM
SFbay SFbay is offline
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Location: SF
Join Date: Mar 2012
Posts: 893
Mein Auto: BMW 745i
Originally Posted by Khabar View Post
there are two place to check before tstat and after. Right?
Yep, lower hose is cold at 105C barely hot. It means tstat is not opened. Aux fan will kick in at 105C but isn't helping bc radiator is half hot anyways. No overheating problems no massages or errorS except for overheating tranny in traffic. All is good on the hwy!
745 with no air in the system will not get to 105 when idling (will take forever) also noticed that aux fan kicks in at 100-101C!
The worst problem it's not easy to detect if your tranny is doing ok with overheating. Just check if your tranny temp is no higher than 86-88C after driving in traffic. It does suck bc of no errors whatsoever
Any ideas why self bleeding system is not working in 2 cara already? Also found 3-4 cases online with no help!
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