Monitoring your automobile is essential in these days, in reality, if you do not do the minimum routine service of it, or if you do not take into account symptoms of abnormality, you strongly risk to see your car getting in bad conditions. This is exactly the theme we are gonna discuss today, one of the signs that most perturbs drivers is the ABS warning light on Bmw Serie 3. In an attempt to help you analyze this warning light, we will first look at what this ABS warning light corresponds to, then in a second what to do if the ABS light is on Bmw Serie 3?.
What does the ABS light on Bmw Serie 3 mean?
We will start our paper with the definition of an ABS warning light on Bmw Serie 3, to do this, in first, we will find out what an ABS is, and afterwards, why the ABS light on your car lights up.
What is the ABS on Bmw Serie 3?
To start with, it is fundamental to describe to you what the ABS of your Bmw Serie 3 is employed for so that you can understand the remaining of this guideline. The ABS (Anti-lock Braking System) is a device 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 Serie 3 is consisting of several components, here they are:
- Speed sensors on each wheel, which will evaluate if one of the wheels locks up.
- A hydraulic system and valves that will control the pressure of the pads on the discs to control 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 Serie 3
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In truth, you can with ease come to feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is exactly the actions that ABS allows, it will optimise braking to the maximum by associating the phases of pressure on the brake discs and the phases of discharge to prevent the wheels from locking up.
Meaning of an ABS light on Bmw Serie 3
Now we go forward to the part that you are probably more curious about, meaning of an ABS warning light on a Bmw Serie 3? To begin with, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be aware that whenever the ABS warning light is on, the ABS will be put into security mode, so you should adapt your driving and not take any risks. Here are the different problems that the ABS warning light on your Bmw Serie 3 can show:
- It could be a simple short circuit, a damaged wiring harness, a defective relay or fuse. Use a pressure gauge to verify it.
- A malfunctioning ABS sensor: A failure of one of them causes the ABS light on your Bmw Serie 3 to come on
- The ABS hydraulic block of your Bmw Serie 3: If it is defective it is possible that the indicator light will turn on and you will no longer be able to use your ABS.
- The ABS computer: If the computer has a trouble, being the center of all decisions made to manage your ABS, the light will unavoidably come on.
What if the ABS light activate on my Bmw Serie 3?
We will now go forward to the part where we will try to give you some answers to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Bmw Serie 3?. The answers will rely upon the failures you are enduring. To begin with, pass your Bmw Serie 3 to the diagnostic tool, if you don’t know how to read a fault code on Bmw Serie 3, don’t hesitate to browse our guideline which points out the steps to take. Once you have located the cause of your issue, here are the steps to take to correct it and turn off the ABS light on your Bmw Serie 3:
- Issue of the ECU or the hydraulic block: It can only be adjusted, and in this situation, you will have to go through a professional, 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 issue: Once you’ve spotted an electrical issue 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: In some cases a simple cleaning of the sensors will be enough to solve the issue, otherwise changing a sensor can cost up to a few hundred euros.
If you need more tutorials on the Bmw Serie 3, go to our Bmw Serie 3 category.
