Quote:
Originally Posted by danallxt
Perets:
Did you notice a difference or change in braking as the session went on? if not you likely did not boil the fluid. Some tracks by nature of layout are more demanding on brakes, and also of course the driver aggressiveness comes into play as well.
The stock BMW fluid dry boiling point is 509 F, most recommendations for track fluids is to have fluid rated to 600 degrees or more (Motul 600 is rated 594 degrees, Motul 660 is rated at 617 degrees). So I'm kinda surprised you got by with stock fluid but i depends upon the track and the driver.
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I didn’t boil the fluid, it’s not my first track day, and I gradually increased the pace. And stock brakes can handle it.