Originally Posted By: The Critic
Originally Posted By: enochian
Whats the difference between Super and regular?
Do you know what type BMW brake fluid is?
Super DOT4 has higher boiling points than regular DOT4. But Super DOT4 should not be used in applications calling for DOT4LV.
Most BMW vehicles that are 2002 or newer require DOT4LV.
While this is a valid point.
In most cases, YES you can mix any DOT4 fluid. Just stay away from DOT5
High-performance cars/driver/driving are normally maintained at a higher level which required that. Most my friends that do HDPE, auto-x and drift events all look for highest boiling points because they have cooked their pads and fluids on the tracks. But generally speaking, no one should have issues on the STREET.
I wouldn't worry about it if this is a Daily driving car. Its better to have fresh fluid then 2+ year old fluid. Oddly enough, i've worked on mid 90's car with fluid blacker than oil, i assume its factory filled and its still working, i would assume all the moisture it absorbed the boiling point has to be like 150degrees, compared to DOT4 which is like 350.