The safety of a motor vehicle is important. Whether or not the BMW 5 Series are financial holes, certain maintenance works are essential. In this article we will explain to you when to replace the brake discs of your BMW 5 Series? To get this done, first of all, we will find out what the brake discs of your motor vehicle are used for, then, when to replace the brake discs of your BMW 5 Series, and, finally, how to change them with new ones.

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Interest of the brake discs of a BMW 5 Series

We begin our article by detailing what the brake discs of a BMW 5 Series are used for, it will allow you to understand why it is important to be sure that they are constantly in good working conditions.
Brake discs are the most important component of your braking system. In actual fact, braking on an BMW 5 Series 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 5 Series to brake.

When to replace the brake discs of a BMW 5 Series?

We will now proceed to the part that undoubtedly attracts you to this content, namely, when changing the brake discs of a BMW 5 Series? How we described it to you just before, the brake discs and pads work in osmosis, however these two elements are wearing auto parts and they will, over time and especially the friction when braking wears out and loses braking power. We will now detail 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 5 Series , however it is important to know that based on your driving style and the type of journey this can change considerably. In fact, if you mainly drive on the motorway and your brakes are just slightly used, this amount can increase, in contrast, if you just drive in built-up areas, it can reduce.
  • A simple and good technique to identify the state of the brake discs on your motor vehicle is during the technical inspection. In fact this thorough control checks the state of your brakes and the controller will tell you if they are in good state or need to be changed.
  • A simple visual technique to know when to replace the brake discs on your BMW 5 Series is to remove the wheels after the vehicle has been set on stands. Once taken out, you will be able to access your discs and verify their state. 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 5 Series?

Finally, to end this content we will quickly show you how to replace the brake discs of your BMW 5 Series. You must know that if you replace the brake discs of your car, you will absolutely have to change the brake pads of your BMW 5 Series, don’t think twice 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 5 Series 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 produce all your changes.
  • Using large Torx bits, take out the two nuts that lock the upper component of your brake caliper, take out it.
  • Remove your brake pads, then unlock your brake discs thanks to the two torx screws on the side of the disc, you may possibly 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 component of the caliper and tighten everything tightly.
  • Mounting your wheels, and remember to do a 500-kilometer brake break-in before braking hard.

To find more tips on the BMW 5 Series, take a look at the BMW 5 Series category.