It appears sometimes that your automobile makes noises in the brake calipers, you are almost never reassured by this types of noise and you instantly tend to think that you will have an accident or that the fix will cost you an astronomical sum. So, what if you find noise from the brake calipers on your BMW 4 Series? It might not be anything major and you may be able to repair it yourself, but when in doubt, since your safety and the one of others is in question, it is better to verify before a more serious failure happens. It is with this in mind that we have decided to compose this content and give you the opportunity to find the problem and find a solution. We will go through different steps, review all possible origins of caliper brake noise on BMW 4 Series, and give you the reasons for them in order to help you solve the problem.
The different types of brake caliper noise on BMW 4 Series and their causes
The objective of the BMW 4 Series brake calipers is to come pinch the brake discs of your BMW 4 Series thanks to the pads they will activate. This component is an essential element of your vehicle’s safety. Discovering a noise from it must therefore be investigated quickly and leaving it lying around is not a good choice.
I hear a grinding noise on my brake calipers on BMW 4 Series
If you perceive a grinding or scrap metal noise coming from the brake calipers of your BMW 4 Series, it is highly conceivable that it will be caused by brake pads at the end of their life, indeed, the role of the pads is to act as a buffer during braking and they will therefore naturally wear out over time. Each manufacturer gives an average runtime in kilometres for pads, but depending on your driving style and route, this may change. Remove the wheels in question and check the wear indicator on them. If they are dead, they must be replaced quickly as they will promptly damage your discs and keep doing this scrap or grinding noise on BMW 4 Series. If after looking at this point, you’re still experiencing a grinding noise on your BMW 4 Series, have a look at this article to find a solution.
I feel a regular noise that stops when I brake from my BMW 4 Series brake calipers
If you are the victim of a regular noise in the brake calipers of your BMW 4 Series that only stops when you press your brake system, it is quite conceivable that caliper wear is the reason. Indeed, they can jam as time passes, especially if they are not employed enough. In such a case, they will tend to remain in the closed situation, so they will always stick the pads against the discs, which will lead to an rise in consumption and premature deterioration of your pads. To confirm it, try to brake several times frankly to try to unblock them. If this does not work, it will be necessary to consider replacing them.
When I brake, my brake pedal vibrates on my BMW 4 Series
If in your case, you feel a vibration when braking that would have come from the brake calipers of your BMW 4 Series, you will have to feel concerned about the condition of your discs. Discs tend to wear over time and although they have a much longer life than pads, they must be substituted at some point. A vibration most often shows of veiled brake disc, you can check it by removing your wheels. If so, change them or have them replaced by your mechanic.
When I brake, I feel a squealing in my brake calipers of my BMW 4 Series
Finally, if you have a noise close to a squeak when you use your brakes, it is possible that brake pad dust has settled in the brake calipers of your BMW 4 Series, causing a squeak when the system is pressurized. You will have to take it out your wheels and clean the calipers with a snowblower and a brush (metal or rigid).