Not every driver knows what color brake fluid is, let alone how to change brake fluid. But brake fluid is one of the most important components of your braking system. Not only does it help your brakes function properly, but it also prevents wear and tear to keep your car running smoothly mile after mile. Find out how to check brake fluid and determine how much brake fluid you need with help from our team.
Brake fluid is a type of hydraulic fluid that helps the brakes engage when you press down on the pedal. This fluid also provides lubrication within the entire braking system and prevents corrosion, which keeps your system in great shape. Brake fluids can come in a variety of formulas, most commonly glycol-ether based. However, there are also silicone-based (DOT-5) and mineral oil-based (LHM) fluids available for some vehicles. Find out what your car needs by checking your owner’s manual or ask our service center for advice.
Different vehicles have different brake fluid requirements, and the BMW brand generally uses Normal or Low Viscosity formulations in DOT4, DOT5, or DOT5.1.
What is a DOT rating? This refers to the fluid’s boiling temperatures. The higher the boiling temperature, the higher the DOT ratings. This can also correlate with different formulations, as DOT5 is usually silicone-based and DOT5.1 is glycol-based fluid. Here are a few things to keep in mind when choosing your BMW brake fluid:
When brand new, your brake fluid will be clear with a slight tint of yellow. Over time, your brake fluid picks up dirt and debris that changes it to a darker shade. When neglected, your brake fluid will become dark and oil-like, which compromises your performance.
Check your brake fluid with every oil change, or at least once every year. With good maintenance, your brake fluid will last between four and five years on the Milton roads. But, this depends on your car, driving habits, and driving conditions. Visit our OEM-certified service center, and our certified technicians will give you personalized recommendations to get the best results on the road.
Your owner’s manual will tell you how much brake fluid you need, but generally speaking, most cars use between 0.5 and 1 liters of BMW brake fluid. And while you can top off your brake fluid if it’s in good condition, you should plan a fluid flush if your oil is darkened. Adding new oil to your old worn oil can cause issues.
Now you know how to check brake fluid like a pro, so is it time for your next service? Contact us with any questions about BMW brake fluid and services, or schedule your appointment with us in Alpharetta today.
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