The safety of a car is very important. Even if the BMW 2 Series are financial holes, certain maintenance actions are indispensable. Today we will explain to you when to change the brake discs of your BMW 2 Series? To do this, first of all, we will see what the brake discs of your car are used for, then, when to change the brake discs of your BMW 2 Series, and, finally, how to replace them with new ones.
Interest of the brake discs of a BMW 2 Series
We begin our content page by explaining what the brake discs of a BMW 2 Series are used for, it will enable you to understand why it is necessary to be sure that they are always in good functioning conditions.
Brake discs are the most important component of your braking system. In fact, braking on an BMW 2 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 mounted on your wheel. When the brake pads will pinch the discs which will cause your BMW 2 Series to brake.
When to change the brake discs of a BMW 2 Series?
We will now proceed to the section that most certainly attracts you to this content, namely, when replacing the brake discs of a BMW 2 Series? How we explained 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 replace them:
- We consider that generally the brake discs should be changed every 80, 000 – 100, 000 km on a BMW 2 Series , nevertheless it is necessary to know that dependent on your driving style and the type of journey this can vary substantially. In fact, if you principally drive on the motorway and your brakes are just slightly used, this value can increase, on the other hand, if you just drive in built-up areas, it can decrease.
- A simple and successful way to find out the state of the brake discs on your car 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 way to know when to change the brake discs on your BMW 2 Series is to remove the wheels after the vehicle has been set on stands. Once removed, you will be able to access your discs and verify their state. If they have any big scratches or deformations you will have to change them. In any other case 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.
.
How to change the brake discs on your BMW 2 Series?
Finally, to conclude this content we will quickly explain how to change the brake discs of your BMW 2 Series. You must know that if you change the brake discs of your car, you will absolutely have to change the brake pads of your BMW 2 Series, don’t think twice to consult our content which explains you how to make this change.
As far as changing discs is concerned, here are the most important steps to stick to:
- Put your BMW 2 Series on stands, take off the wheels you want to action 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 might need a mallet to remove the discs.
- Replace the discs and tighten them with the new torx screws provided, change 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.
If you need more guides on the BMW 2 Series, go to our BMW 2 Series category.
