We will try again today to help you to remedy the small complications associated with your car. We have recently seen how to unblock a fuel door, or a tank cap, today we will focus on an irritating problem that can be dangerous in bad weather conditions, being a victim of wiper stuck on BMW 4 Series . And to remedy this, we will first try to figure out why the wipers on your BMW 4 Series remain stuck and, secondly, how to unblock them.


Why does the wiper of my BMW 4 Series stay stuck?

So we will begin our content page with the reasons of the stuck wipers of your BMW 4 Series . To begin with we will focus on the front wipers and in a second time on the rear wiper.

Why are the front wipers on my BMW 4 Series stuck in up or down position?

We will proceed through one by one the different complications that can cause the front wipers of your BMW 4 Series to get stuck :

  • One of the most common causes of front wipers getting stuck on your BMW 4 Series is associated with the engine unit that drives them, in fact, these engines can, with time, lose power, and ultimately need to be changed. You should find out before the total blockage of your windshield wipers that they work much slower.
  • Less common, but it can still happen, is that your front wiper blades are blocked as a result of an object that prevents the blades from functioning, take a look up to the axis of the blades.
  • If it is a lack of lubrication, you will locate that your front wipers are going slower, check quickly the trigger of the trouble or else the engines will be forced and damaged.
  • It is possible that the front wipers of your BMW 4 Series may not operate as a result of a defective comodo. To test this, you need to disconnect the output wires and connect them together, if the wipers are functioning, the comodo is responsible for the problem.
  • Finally, last opportunity, the front wipers of your BMW 4 Series are blocked as a result of a power failure, so you will have to check two auto parts, the relay and the fuse.

Why is the rear window wiper on my BMW 4 Series stuck?

Concerning the stuck rear window wiper of your BMW 4 Series , the origins of your complications are more or less the same. Nevertheless there is only one wiper blade at the rear of your car, there are still some dedicated auto parts that can cause complications only on the rear windshield of your BMW 4 Series. So, remember to conduct similar investigations as seen in the previous component of this content page.

What can I do to unlock the wiper on my BMW 4 Series?

Finally, to do this second part, we will see what solutions are available to you to be sure that the wipers on your BMW 4 Series are unlocked and that they operate effectively again.

How to unlock the wipers of my BMW 4 Series?

Whether it is for the front windshield wipers or the rear windshield wiper, the solutions will be similar and we will outline them one after the other in this component, it is up to you to adapt them to the component that concerns you. If you have other blocking complications such as a fuel door stuck on BMW 4 Series, do not think twice to consult our article on this problem.

  • In such a case, you will have to identify the engine unit, then disconnect the power cables of this one (take care there must be some of them associated with the different speeds of sweeping), then take out the brushes and the linkage. Finally, you will have to unscrew these anchoring points which are generally fixed on silentblocks and reassemble a new wiper motor on your BMW 4 Series
  • .

  • In this situation, it will be quite very easy but expensive to replace your commodo, the component generally costs around 200€, once tested you will have the ability to disassemble your commodo by removing the cover from the back of the steering wheel then disconnecting it and removing it with the fixing screws, you will just have to reassemble the new one.
  • BMW 4 Series wiper blocked due to a power failure: In this last situation, you will have to identify the source of the failure (fuse or relay) and replace the defective component


If you need more tutorials on the BMW 4 Series, go to our BMW 4 Series category.