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      08-18-2018, 07:42 AM   #11
Thecastle
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Drives: F10 550i
Join Date: Apr 2015
Location: Houston, TX

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Garage List
2020 BMW M340i  [0.00]
2019 RAM 3500  [0.00]
2020 BMW X3  [0.00]
2016 BMW 550i  [0.00]
2000 Ford F450 7.3l ...  [0.00]
I'm going to research the oil temp valve.

I use my X5M to tow a travel trailer. I noticed that frequently in Colorado my oil temps rose a lot, I belive to about 3/4's what is that about 270F.

I think these cars would benifit from lower operating temps. After replacing every oil seal on this engine....

Anyway the normal coolant temp is about 95C not sure if a lower temp thermostat will make a difference.. Yes they have 105C thermostats, but all of them are ECU controlled and the X5M works to keep the car at 95C.
Appreciate 0