Watching your vehicle is fundamental in these modern times, in reality, if you do not do the minimum maintenance of it, or if you do not take into account alerts of abnormality, you highly risk to observe your car getting in bad conditions. This is exactly the subject we are gonna discuss in this article, one of the indicators that most perturbs motorists is the ABS warning light on BMW 7 Series. In an attempt to help you review this warning light, we will first look at what this ABS warning light corresponds to, then in a second how to proceed if the ABS light is on BMW 7 Series?.
What does the ABS light on BMW 7 Series signify?
We will start our content with the meaning of an ABS warning light on BMW 7 Series, for this, in first, we will see what an ABS is, and soon after, why the ABS light on your car lights up.
What is the ABS on BMW 7 Series?
To begin with, it is essential to demonstrate to you what the ABS of your BMW 7 Series is used for so that you can understand the rest of this content. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The goal of this system is to optimize the braking distance of a car by preventing the wheels from locking, sliding on the road and you losing control of your car. The ABS system of your BMW 7 Series is consisting of different components, here they are:
- Speed sensors on each wheel, which will examine if one of the wheels locks up.
- A hydraulic system and valves that will manage the pressure of the pads on the discs to manage the braking power of the car
- A computer that is the control center of your entire ABS system as well as the ABS light of your BMW 7 Series
The truth is, you can very easily feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is precisely the behaviour that ABS allows, it will optimise braking to the maximum by associating the phases of pressure on the brake discs and the phases of release to prevent the wheels from locking up.
Meaning of an ABS light on BMW 7 Series
Now we proceed to the part that you are most certainly more interested in, meaning of an ABS warning light on a BMW 7 Series? To begin with, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be conscious that whenever the ABS warning light is on, the ABS will be put into safety mode, so you should adjust your driving and not take any risks. Here are the different problems that the ABS warning light on your BMW 7 Series can alert:
- It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to verify it.
- A malfunctioning ABS sensor: A breakdown of one of them triggers the ABS light on your BMW 7 Series to turn on
- The ABS hydraulic block of your BMW 7 Series: If it is defective it is possible that the indicator light will come on and you will no longer be able to use your ABS.
- The ABS computer: If the computer has a problem, being the center of all decisions made to operate your ABS, the light will undoubtedly turn on.
What if the ABS light comes on on my BMW 7 Series?
We will now proceed to the part where we will try to give you some solutions to shut off this light, and thus answer the following question, what to do if the ABS light is on on my BMW 7 Series?. The solutions will be based upon the deficiencies you are encountering. To begin with, pass your BMW 7 Series to the diagnostic tool, if you don’t know how to read a fault code on BMW 7 Series, don’t think twice to go through our content which points the steps to take. Once you have identified the source of your problem, here are the steps to take to correct it and turn off the ABS light on your BMW 7 Series:
- Problem of the ECU or the hydraulic block: It can only be altered, and in this case, you will have to go through a specialist, but if it’s dead, it could cost you around 1000€ to change the ECU and 1500 to 2000€ if you have to change both of them.
- Electrical problem: Once you’ve spotted an electrical problem with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, otherwise you’ll have to repair the wiring harness.
- A defective sensor: Occasionally a simple cleaning of the sensors will be enough to remedy the problem, otherwise changing a sensor can cost up to a few hundred euros.
To discover more tips on the BMW 7 Series, take a look at the BMW 7 Series category.