Think about yourself driving calmly on board your BMW 4 Series and all of a sudden an engine light shows up on your dashboard ! The typically seen kind of response is worries of risking a serious problem. To know what precisely this light corresponds to, you will have to learn how to read an BMW 4 Series fault codes, you may have already heard of OBD system, this is precisely what we are going to talk about. Our writers have chosen to produce this article to help you quickly find the source of this default code and to give you peace of mind. To achieve this, we will first look at the nature of a fault code on BMW 4 Series, then how to read an BMW 4 Series fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.

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What is a BMW 4 Series fault code?

A fault code is a generic or standard code common to all automotive companies , they are also known as DTC (Data Trouble Code), the purpose is to guarantee that any diagnostic OBD can read them. They will be represented by a standard format, such as example: P0255. Each data will have a precise meaning. Default codes are codes issued by the calculators of your BMW 4 Series. These ECUs will constantly monitor your vehicle’s emissions, pressures, mixtures and when the values exceed the limits set by the vehicle’s ECU, the fault code will show up. The advantage of understanding how to read a fault code on your BMW 4 Series is that you will have gain access to to complete statistics about your automobile which will enable you to find out what problem you are struggling with.

How to read a fault code on my BMW 4 Series?

In this second section we will now focus specifically on what brings you here, how to read a fault code on BMW 4 Series. To discover this valuable data you will need to to acquire a diagnostic tool, also referred to as OBD 2, named after the socket on your BMW 4 Series to which you will have to connect. These diagnostic tools are freely available to buy, you will be able to find some in Bluetooth version which connects to your phone and some standard versions with a reader associated to the socket, as far as price is concerned, you will be able to find models between 30 and 100 euros. Once you have purchased an OBD2 diagnostic reader, you will have to find the diagnostic plug on your BMW 4 Series, it is found on the left side of your steering column on the lower part of your dashboard, behind a hatch. It is easy to locate because it is triangular shaped and has 16 pins. All you have to do is connect with your diagnostic tool to read the fault code of your BMW 4 Series.

How to erase the fault code BMW 4 Series

Finally, to conclude this content page, we are going to demonstrate you the methode to execute to erase a fault code on your BMW 4 Series. Once you have navigated through the menus, you will access the list of active fault codes on your car. Nevertheless, you will have to ask yourself an essential question, is it really productive to erase this fault code on BMW 4 Series? Indeed, erasing a fault code without resolving the problem is like burying its head in the sand. Furthermore, the computer of your BMW 4 Series is made to take resolutions according to the data it collects, if a vital fault code is on, it will likely adapt the engine general performance to protect it. So if you delete the fault code, remember to solve the problem to which it is connected. Some OBD diagnostic tools do not allow you to do this. You have a dedicated navigation menu on most diagnostic tools that should allow you to clear this fault code on BMW 4 Series.

To discover more tips on the BMW 4 Series, take a look at the BMW 4 Series category.