The safety of a car is essential. Whether or not the BMW X3 are economic holes, certain routine service works are fundamental. Today we will explain to you when to replace the brake discs of your BMW X3? To achieve this, first of all, we will discover what the brake discs of your motor vehicle are used for, then, when to replace the brake discs of your BMW X3, and, finally, how to change them with new ones.

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Interest of the brake discs of a BMW X3

We begin our content page by detailing what the brake discs of a BMW X3 are used for, it will allow you to understand why it is important to make sure that they are constantly in good working order.
Brake discs are the most important part of your braking system. In truth, braking on an BMW X3 is hydraulic, it is a system of hoses and pressurized oil that will come into action when you press your brake pedal. This pressure will actuate a piston that will push the brake pads on your brake disc which is attached to your wheel. When the brake pads will pinch the discs which will trigger your BMW X3 to brake.

When to replace the brake discs of a BMW X3?

We will now proceed to the section that undoubtedly attracts you to this content, namely, when replacing the brake discs of a BMW X3? How we revealed it to you just before, the brake discs and pads work in osmosis, nevertheless these two components are wearing auto parts and they will, as time passes and specifically the friction when braking wears out and loses braking power. We will now outline the different techniques to know when to change them:

  • We consider that in general the brake discs should be changed every 80, 000 – 100, 000 km on a BMW X3 , nevertheless it is important to know that based on your driving style and the type of journey this can change substantially. Indeed, if you specifically drive on the motorway and your brakes are only slightly used, this value can increase, in contrast, if you only drive in built-up areas, it can reduce.
  • A basic and successful way to identify the condition of the brake discs on your car is during the technical inspection. Indeed this thorough control checks the state of your brakes and the controller will tell you if they are in good condition or need to be changed.
  • A very easy visual way to know when to replace the brake discs on your BMW X3 is to remove the wheels after the car has been set on stands. Once removed, you will have the ability to access your discs and check their condition. If they have any big scratches or deformations you will have to replace them. Otherwise the second indicator to check is to measure the depth of the disk in relation to its edge, if this value exceeds 1 mm you will have to change them by new ones.

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How to replace the brake discs on your BMW X3?

Finally, to end this content we will quickly describe how to replace the brake discs of your BMW X3. You must know that if you replace the brake discs of your motor vehicle, you will absolutely have to change the brake pads of your BMW X3, don’t hesitate to seek advice from our content which points out you how to make this replace.
As far as changing discs is concerned, here are the most important steps to follow:

  • Put your BMW X3 on stands, take off the wheels you want to act on.
  • Using a large flat screwdriver, pry on your brake pads to compress the caliper piston as much as possible and have enough play to make all your changes.
  • Using large Torx bits, take out the two nuts that lock the upper part of your brake caliper, take out it.
  • Take out your brake pads, then unlock your brake discs thanks to the two torx screws on the side of the disc, you might need a mallet to remove the discs.
  • Replace the discs and tighten them with the new torx screws provided, replace your pads, reassemble the upper part of the caliper and tighten everything tightly.
  • Mounting your wheels, and make sure to do a 500-kilometer brake break-in before braking hard.

If you wish more tutorials on the BMW X3, go to our BMW X3 category.