How often should I change the brake fluid in my Porsche?

It is recommended that you change the brake fluid in a Porsche at least every two years. Brake fluid absorbs moisture over time, which reduces its boiling point and impairs braking performance.

Old / contaminated brake fluid also has the potential to cause corrosion to metal components and increases the risk of bleeder valves being seized into callipers. Sticking to the recommended fluid change intervals is certainly cheaper than repairing or replacing parts in the brake system.

One exception to the two-year rule is if you take part in track days, during which the brakes in your Porsche are likely to get very hot. That will shorten the effective life of the brake fluid, so it needs to be changed more often.