Monitoring your car is very important in these modern times, in truth, if you do not do the minimum maintenance of it, or if you do not take into account symptoms of abnormality, you highly risk to see your car withering away. This is precisely the theme we are gonna talk about on this webpage, one of the symptoms that most disturbs motorists is the ABS warning light on Bmw Serie 3 E90. 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 you can do if the ABS light is on Bmw Serie 3 E90?.
What does the ABS light on Bmw Serie 3 E90 indicate?
We will begin our article content with the definition of an ABS warning light on Bmw Serie 3 E90, for this, in first, we will find out what an ABS is, and next, why the ABS light on your car lights up.
What is the ABS on Bmw Serie 3 E90?
To begin with, it is important to describe to you what the ABS of your Bmw Serie 3 E90 is intended for so that you can understand the rest of this article. The ABS (Anti-lock Braking System) is a device that prevents the wheels of your car from locking during braking. The purpose of this system is to optimise 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 E90 is consisting of several parts, 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 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 Serie 3 E90
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In truth, you can quite 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 exactly the actions that ABS enables, it will optimise braking to the maximum by linking 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 E90
Now we go forward to the section that you are most certainly more interested in, meaning of an ABS warning light on a Bmw Serie 3 E90? To begin with, it is an orange light, so if it is on it means that your ABS system is faulty. You should be aware that when the ABS warning light is on, the ABS will be put into safety mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Bmw Serie 3 E90 can point:
- It could be a simple short circuit, a broken wiring harness, a faulty relay or fuse. Use a pressure gauge to examine it.
- A malfunctioning ABS sensor: A malfunction of one of them motives the ABS light on your Bmw Serie 3 E90 to turn on
- The ABS hydraulic block of your Bmw Serie 3 E90: If it is faulty 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 run your ABS, the light will unavoidably turn on.
What if the ABS light activate on my Bmw Serie 3 E90?
We will now go forward to the section where we will try to give you some answers to turn off this light, and thus answer the following question, what to do if the ABS light is on on my Bmw Serie 3 E90?. The answers will be based upon the deficiencies you are enduring. To begin with, pass your Bmw Serie 3 E90 to the diagnostic tool, if you don’t know how to read a fault code on Bmw Serie 3 E90, don’t think twice to examine our article which explains the steps to take. Once you have identified the source of your problem, here are the steps to take to solve it and turn off the ABS light on your Bmw Serie 3 E90:
- Issue of the ECU or the hydraulic block: It can only be altered, and in this case, 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 problem: Once you’ve noticed 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 faulty sensor: In some cases a simple cleaning of the sensors will be enough to get rid of the problem, otherwise changing a sensor can cost up to a few hundred euros.
To get more tips on the Bmw Serie 3 E90, take a look at the Bmw Serie 3 E90 category.
