Certain parts of your motor vehicle are vital to its proper functioning, and to go further, essential 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 operating 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 posted this content on brake fluid leaks on BMW 4 Series to help you solve this matter in the right technique and fix it quickly. To do this, we will first see the function of brake fluid, then, what triggers a brake fluid leak on your BMW 4 Series , and finally, how to remedy such a leak.
What is the function of brake fluid on a BMW 4 Series?
So we commence our content by quickly telling you the function of this famous brake fluid in the braking system of your BMW 4 Series. To figure out, 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 essential that you always have the right level of brake fluid on your BMW 4 Series, if you don’t know how to execute this manipulation, consult our content on this subject.
Motives of a brake fluid leak on your BMW 4 Series
We now move on to a more necessary part to help you figure out why you have a brake fluid leak on your BMW 4 Series .
What triggers a brake fluid leak on a BMW 4 Series?
First, we’ll explain the different possible roots of the leak of your BMW 4 Series. Here are the ones below:
- A broken brake hose: It’s one of the most basic 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 4 Series can result in leaks on its different entries or exits.
- Most of the time this occurs when a brake drain has been done recently, and it is often not tightened properly.
- 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 4 Series?
We will now give you the different recommendations and symptoms to interpret to verify that you have a brake fluid leak on your BMW 4 Series , discover them below:
- If the ABS warning light of your BMW 4 Series is on , you have to verify directly the state of your circuit, do not think twice to consult our dedicated content to have all the measures to execute.
- If your BMW 4 Series pulls to the left or right when you brake you might have a brake fluid leak.
- This is one of the most apparent indications, if you experience that your pedal is much less difficult to press down and goes up more slowly, it is very likely that you have a loss of pressure in your brake system.
- More logical, but if you discover brake fluid on one of these elements you are bound to have a leak since this circuit is designed to be closed.
How to fix a brake fluid leak on BMW 4 Series?
The just remedy when you experience a brake fluid leak on your BMW 4 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 car 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:
- check the brake fluid level regularly.
- Purge your brakes every two years or 40, 000 miles.
- Replace the brake fluid if you experience the brakes on your BMW 4 Series become “soft”.
If perhaps you have any further questions about the BMW 4 Series, do not hesitate to consult our BMW 4 Series category.
