A new warning light on your dashboard? You don’t find out why it doesn’t shut off… It’s normal, a vehicle is complicated and there are various motives why a light may come on. If it turns out your glow plug light comes on while driving your BMW X1, it may indicate different things. In this article, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your BMW X1 functions, and then the different motives it lights up when you are driving

glow-plug-light-bmw-x1

What is the purpose of my BMW X1 glow plug light?

The main purpose of the engine glow plug light, which is most of the time represented by a yellow coil, is to guarantee that your glow plugs are working properly. Indeed, it must light up when you switch on your BMW X1 to tell you that they are heating the intake air in your cylinders and must go out after a few moments when the engine is running. This preheat light is therefore not meant to stay or come on while driving with your automobile. Nevertheless, if it comes on while driving, it may reveal several troubles, we will try to detail the main ones.

What to do if the glow plug light comes on while driving on my BMW X1?

A glow light that comes on while driving on your BMW X1 or at any other time other than when the engine is started is designed to warn you to a fault other than your spark plugs, we will take a look at this right now. In any case, plug in your car to the diagnostic tool will allow you to precisely interpret the cause for the light up of your glow light.

My BMW X1 glow light comes on and I’m encountering a loss of power

The first probability is that you perceive that your glow plug light comes on while driving your BMW X1 and that you also encounter a loss of power. In this instance, different complications can explain its lightning. Here is a list of the main motives:

  • Trouble of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this instance, it is rational that your preheat light comes on while driving on BMW X1 because it is one of the problem of which it is intended to notify you. Have the status of your valve tested
  • Problem related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can bring about turbo boost and a disturbance in the performance of the turbo.
  • Problem associated with the injection, either an injector that has seized up or the injection pump that is malfunctioned by filings or other possible foreign bodies that affect its proper performing.
  • Finally, the last problem that could lead to a glow indicator light on your BMW X1 coupled with a loss of power, is that your fuel filter is too dirty, you should come to feel jerks because of a bad fuel flow in the engine.

My glow plug light comes on or is flashing but no difference on the performance of my BMW X1

To conclude, we’ll give you the motives for a glow plug light that comes on on your BMW X1 without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be replaced, test and replace if necessary.
  • A contactor/potentiometer on one of your pedals (brake, accelerator or clutch) has failed, often a simple de-seizure will be enough to fix the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other options first because it is not easy to find it alone, we encourage you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • If you need more guides on the BMW X1, go to our BMW X1 category.