Certain auto parts of your motor vehicle are vital to its correct working, and to go further, important to your safety and that of other users. Your braking system is one of them, and if there’s one thing that must be in good functioning conditions, it’s this one. When you begin to have brake complications you need to handle it right away, that’s why our team has written this article on brake fluid leaks on BMW 7 Series to help you solve this concern in the right technique and fix it quickly. To do this, we will first discover the role of brake fluid, then, what triggers a brake fluid leak on your BMW 7 Series , and at last, how to remedy such a leak.

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What is the role of brake fluid on a BMW 7 Series?

So we start our content by quickly detailing the role of this famous brake fluid in the braking system of your BMW 7 Series. To discover, a brake system works with a closed hydraulic circuit, that is to say that you will have rigid hoses filled with brake fluid that are pressurized by the master cylinder, and when you press your brake pedal, your brake fluid will be pressurized and will actuate your brake calipers so that they pinch the brake pads on your discs. It is therefore vital that you constantly have the right level of brake fluid on your BMW 7 Series, if you don’t know how to perform this manipulation, consult our content on this subject.

Causes of a brake fluid leak on your BMW 7 Series

We now move on to a more important part to help you discover why you have a brake fluid leak on your BMW 7 Series .

What triggers a brake fluid leak on a BMW 7 Series?

First, we’ll explain the different possible sources of the leak of your BMW 7 Series. Here are the ones down below:

  • A broken brake hose: It’s one of the most general motives, one of the brake hoses has been cut and you lose brake fluid and pressure through this hole.
  • A defective master cylinder on BMW 7 Series can result in leaks on its different entries or exits.
  • In most cases this occurs when a brake drain has been performed lately, and it is often not tightened effectively.
  • Wheel cylinder: Only present on drum brakes, this part can leak and bring about an imbalance in the braking.

How to detect a brake fluid leak on BMW 7 Series?

We will now give you the different recommendations and signs of illness to interpret to verify that you have a brake fluid leak on your BMW 7 Series , find them down below:

  • If the ABS warning light of your BMW 7 Series is on , you have to verify straight the state of your circuit, do not hesitate to consult our dedicated content to have all the steps to perform.
  • If your BMW 7 Series pulls to the left or right when you brake you may have a brake fluid leak.
  • This is one of the most noticeable indications, if you feel that your pedal is much easier to press down and goes up more slowly, it is very likely that you have a loss of pressure in your brake system.
  • More obvious, but if you find brake fluid on one of these elements you are bound to have a leak since this circuit is designed to be closed.

How to correct a brake fluid leak on BMW 7 Series?

The just remedy when you encounter a brake fluid leak on your BMW 7 Series is to go to your garage area. If it is light, check your level and drive carefully to the garage area, if it is too big don’t drive and have your motor vehicle towed. A general breakdown of your brake system will result in an accident. You can, however, make a few frequent checks to limit the risks:

  • check the brake fluid level regularly.
  • Purge your brakes every two years or 40, 000 miles.
  • Replace the brake fluid if you feel the brakes on your BMW 7 Series become “soft”.

To get more tips on the BMW 7 Series, take a look at the BMW 7 Series category.