A new warning light on your dashboard? You don’t figure out why it doesn’t switch off… It’s typical, an auto is elaborate and there are many factors why a light may occur. If your glow plug light comes on while driving your Bmw Serie 4 F32, it may possibly reveal several concerns. 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 Serie 4 F32 functions, and then the different causes it lights up when you are driving

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What is the goal of my Bmw Serie 4 F32 glow plug light?

The main role of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to ensure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Bmw Serie 4 F32 to tell you that they are heating the intake air in your cylinders and must go out after a few minutes when the engine is running. This preheat light is therefore not meant to stay or come on while driving with your car. However, if it turns on while driving, it may indicate multiple troubles, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Bmw Serie 4 F32?

A glow light that comes on while driving on your Bmw Serie 4 F32 or at any other time other than when the engine is started is meant to warn you to a problem other than your spark plugs, we will look at this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to precisely interpret the motive for the light up of your glow light.

My Bmw Serie 4 F32 glow light comes on and I’m going through a loss of power

The first probability is that you notice that your glow plug light comes on while driving your Bmw Serie 4 F32 and that you also experience a loss of power. In such a case, several complications can explain its presence. Here is a list of the main factors:

  • Trouble of EGR valve, in reality, if you suffer a loss of power, it is possible that your EGR valve is blocked, in this instance, it is obvious that your preheat light comes on while driving on Bmw Serie 4 F32 because it is one of the issue of which it is meant to alert you. Have the status of your valve inspected
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a perturbation in the operation of the turbo.
  • Problem in connection 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 operation.
  • Finally, the last problem that could lead to a glow indicator light on your Bmw Serie 4 F32 coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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 Serie 4 F32

To finish , we’ll give you the causes for a glow plug light that comes on on your Bmw Serie 4 F32 without you feeling any difference in power or car behaviour. Generally, this is an electronic problem:

  • Glow plug relays or fuses to be changed, test and change 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 resolve the problem.
  • You have a false contact somewhere in your electrical circuit, test the other options first because it is not easy to find it alone, we suggest you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • If perhaps you have any additional questions about the Bmw Serie 4 F32, do not hesitate to consult our Bmw Serie 4 F32 category.