Paying attention to your vehicle is very important in these modern times, in fact, if you do not do the minimum maintenance of it, or if you do not take into account signs of abnormality, you strongly risk to see your car withering away. This is exactly the theme we are going to focus on today, one of the indicators that most disturbs drivers is the ABS warning light on Bmw Serie 3 E93. 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 handle it if the ABS light is on Bmw Serie 3 E93?.

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What does the ABS light on Bmw Serie 3 E93 mean?

We will start our paper with the definition of an ABS warning light on Bmw Serie 3 E93, for this, in first, we will see what an ABS is, and later on, why the ABS light on your car lights up.

What is the ABS on Bmw Serie 3 E93?

First of all, it is essential to demonstrate to you what the ABS of your Bmw Serie 3 E93 is intended for so that you can understand the rest 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 E93 is made up of several parts, here they are:

  • Speed sensors on each wheel, which will analyze 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 E93

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In truth, you can with ease 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 permits, 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 E93

Now we proceed to the part that you are probably more interested in, meaning of an ABS warning light on a Bmw Serie 3 E93? To begin with, it is an orange light, so if it is on it denotes that your ABS system is faulty. You should be conscious that when the ABS warning light is on, the ABS will be put into security 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 Serie 3 E93 can signal:

  • It could be a simple short circuit, a broken wiring harness, a faulty relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A breakdown of one of them causes the ABS light on your Bmw Serie 3 E93 to turn on
  • The ABS hydraulic block of your Bmw Serie 3 E93: If it is faulty 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 run your ABS, the light will obviously turn on.

What if the ABS light comes on on my Bmw Serie 3 E93?

We will now proceed to the part where we will try to give you some solutions 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 E93?. The solutions will depend on the failures you are enduring. To begin with, pass your Bmw Serie 3 E93 to the diagnostic tool, if you don’t know how to read a fault code on Bmw Serie 3 E93, don’t hesitate to read our guideline which details the steps to take. Once you have identified the origin of your trouble, here are the steps to take to fix it and turn off the ABS light on your Bmw Serie 3 E93:

  • Trouble of the ECU or the hydraulic block: It can only be adjusted, and in this case, you will have to go through a professional, but if it’s dead, it could cost you around 1000€ to replace the ECU and 1500 to 2000€ if you have to replace both of them.
  • Electrical trouble: Once you’ve identified an electrical trouble with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, in any other case you’ll have to repair the wiring harness.
  • A faulty sensor: Occasionally a simple cleaning of the sensors will be enough to get rid of the trouble, in any other case changing a sensor can cost up to a few hundred euros.

If you need more tutorials on the Bmw Serie 3 E93, go to our Bmw Serie 3 E93 category.