Originally Posted by flyerI
Those of us on these forums like to tinker with and pamper our cars and often do stuff that will not make any difference in the long run. I say change it every day if it makes you happy, but you probably never really have to.
The discoloration in brake fluid is water. Water boils at 212F at sea level and lower at elevation. When you need your brakes, like long down hills or emergency braking, boiling water in the brake system will not help you stop, nor will water extend the life of components.
Manufacturers don't tell you to do a lot of things, that doesn't make doing them useless or that they won't reduce wear and tear and early breakage. When
Americans thought at turning over their cars every 2-3 years and accumulating unsustainable debt was the thing to do then maintenance could always be left to the next owner, but now that vehicles may be driven longer then YOU are the next owner.