Certain parts of your motor vehicle are fundamental to its normal operation, and to go further more, necessary to your security and that of other users. Your braking system is one of them, and if there’s one thing that must be in good operating conditions, it’s this one. When you begin to have brake complications you need to take care of it right away, that’s why our team has written this article on brake fluid leaks on BMW 3 Series to help you treat this difficulty in the right technique and fix it quickly. To achieve this, we will first see the function of brake fluid, then, what triggers a brake fluid leak on your BMW 3 Series , and at last, how to fix such a leak.
What is the function of brake fluid on a BMW 3 Series?
So we start our content by quickly explaining the function of this famous brake fluid in the braking system of your BMW 3 Series. To discover, a brake system functions 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 consequently necessary that you always have the right level of brake fluid on your BMW 3 Series, if you don’t know how to perform this manipulation, seek advice from our content on this subject.
Causes of a brake fluid leak on your BMW 3 Series
We now proceed to a more important part to help you discover why you have a brake fluid leak on your BMW 3 Series .
What triggers a brake fluid leak on a BMW 3 Series?
First, we’ll show you the different possible roots of the leak of your BMW 3 Series. Here are the ones down below:
- A damaged brake hose: It’s one of the most common causes, one of the brake hoses has been cut and you lose brake fluid and pressure through this hole.
- A defective master cylinder on BMW 3 Series can result in leaks on its different entries or exits.
- In most cases this comes about when a brake drain has been performed not too long ago, and it is quite often not tightened properly.
- Wheel cylinder: Just present on drum brakes, this part can leak and trigger an imbalance in the braking.
How to identify a brake fluid leak on BMW 3 Series?
We will now give you the different tips and signs of illness to interpret to check that you have a brake fluid leak on your BMW 3 Series , locate them down below:
- If the ABS warning light of your BMW 3 Series is on , you have to check directly the condition of your circuit, do not hesitate to seek advice from our dedicated content to have all the measures to perform.
- If your BMW 3 Series pulls to the left or right when you brake you may possibly have a brake fluid leak.
- This is one of the most apparent symptoms, 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 locate brake fluid on one of these components you are bound to have a leak since this circuit is designed to be closed.
How to resolve a brake fluid leak on BMW 3 Series?
The just remedy when you experience a brake fluid leak on your BMW 3 Series is to go to your mechanic. If it is light, verify your level and drive carefully to the mechanic, 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 regular checks to limit the risks:
- verify the brake fluid level repeatedly.
- Purge your brakes every two years or 40, 000 miles.
- Change the brake fluid if you feel the brakes on your BMW 3 Series become “soft”.
If you need more guides on the BMW 3 Series, go to our BMW 3 Series category.
