The safety of a motor vehicle is very important. Whether or not the BMW 7 Series are financial holes, certain routine service actions are essential. Today we will explain to you when to replace the brake discs of your BMW 7 Series? To do this, to begin with, we will see what the brake discs of your motor vehicle are used for, then, when to replace the brake discs of your BMW 7 Series, and, finally, how to change them with new ones.

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Benefit of the brake discs of a BMW 7 Series

We begin our content page by detailing what the brake discs of a BMW 7 Series are used for, it will allow you to understand why it is necessary to be sure that they are constantly in good working order.
Brake discs are the most important component of your braking system. Obviously, braking on an BMW 7 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 7 Series to brake.

When to replace the brake discs of a BMW 7 Series?

We will now move on to the part that certainly attracts you to this content, namely, when replacing the brake discs of a BMW 7 Series? How we revealed it to you just before, the brake discs and pads work in osmosis, nevertheless these two components are wearing parts and they will, over time and specifically the friction when braking wears out and loses braking power. We will now outline the different methods to know when to change them:

  • We consider that generally the brake discs should be changed every 80, 000 – 100, 000 km on a BMW 7 Series , nevertheless it is necessary to know that according to your driving style and the type of journey this can change substantially. In truth, if you specifically 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 find out the condition of the brake discs on your motor vehicle is during the technical inspection. In truth 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 technique to know when to replace the brake discs on your BMW 7 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 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 7 Series?

Finally, to conclude this content we will fairly quickly explain how to replace the brake discs of your BMW 7 Series. 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 7 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 stick to:

  • Put your BMW 7 Series on stands, take off the wheels you want to work 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, remove the two nuts that lock the upper component of your brake caliper, remove it.
  • Remove your brake pads, then unlock your brake discs thanks to the two torx screws on the side of the disc, you may 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 make sure to do a 500-kilometer brake break-in before braking hard.

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