Quote:
Originally Posted by 135i2
Yep, already alluded to previous external thermostat being faulty.
Perhaps you can email Andy at AD and tell him its not an oil thermostat.
And while your at it inform BMW its not an oil thermostat too.
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Tim is indeed correct
The AD thermostat is just a piece of metal that diverts all oil flow to the cooler. You can even see this in the very picture you've posted lol. Its is not a thermostat with a wax element that actually regulates anything.