It happens occasionally that your car makes noises in the brake calipers, you are pretty much never reassured by this types of noise and you immediately tend to think that you will have an accident or that the repair will cost you an substantial amount of money. So, what if you discern noise from the brake calipers on your BMW 7 Series? It may not be some thing serious 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 occurs. It is with this in mind that we have decided to create this document and give you the chance to find out the problem and find a solution. We will go through different steps, review all possible sources of caliper brake noise on BMW 7 Series, and give you the causes for them in order to help you resolve the problem.
The different types of brake caliper noise on BMW 7 Series and their causes
The objective of the BMW 7 Series brake calipers is to come pinch the brake discs of your BMW 7 Series thanks to the pads they will activate. This element is an fundamental element of your vehicle’s safety. Experiencing a noise from it must therefore be investigated immediately and leaving it lying around is not a good choice.
I hear a grinding noise on my brake calipers on BMW 7 Series
If you notice a grinding or scrap metal noise coming from the brake calipers of your BMW 7 Series, it is highly imaginable that it will be linked to brake pads at the end of their life, in fact, the purpose of the pads is to act as a buffer during braking and they will therefore naturally wear out over time. Each company gives an average runtime in kilometres for pads, but based on your driving style and route, this may change. Remove the wheels in question and check the wear indicator on them. If they are expired, they must be swapped quickly as they will promptly damage your discs and keep doing this scrap or grinding noise on BMW 7 Series. If after checking out this point, you’re still encountering a grinding noise on your BMW 7 Series, have a look at this article to find a solution.
I experience a continuing noise that stops when I brake from my BMW 7 Series brake calipers
If you are the victim of a regular noise in the brake calipers of your BMW 7 Series that only stops when you press your brake system, it is quite plausible that caliper wear is the reason. Indeed, they can jam as time passes, specifically if they are not used enough. When this happens, they will tend to keep on being in the closed situation, so they will constantly stick the pads against the discs, which will lead to an increase in consumption and precipitate deterioration of your pads. To verify 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 7 Series
If in your case, you experience a vibration when braking that would have come from the brake calipers of your BMW 7 Series, you will have to worry about the state of your discs. Discs tend to wear over time and although they have a much longer runtime than pads, they must be replaced at some point. A vibration most often shows of veiled brake disc, you can check it by removing your wheels. If so, swap them or have them replaced by your technician.
When I brake, I experience a squealing in my brake calipers of my BMW 7 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 7 Series, creating a squeak when the system is pressurized. You will have to remove your wheels and clean the calipers with a snowblower and a brush (metal or rigid).