Having a problem with your motor vehicle is basic, because sadly recent automobiles are more and more difficult and therefore be subject to more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Bmw Serie 4 F33 . This is a problem that is particularly frustrating because it can sooner or later bring your car to non starting or damaged engine unit. To get this done, first we will find out how injection functions, then, what are the different problems that can exist on a Bmw Serie 4 F33 injectors , and finally, how to fix them.

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What is the aim of the injection of a Bmw Serie 4 F33?

So we commence our article by quickly detailing how an injection system functions so that you have all the information you need to figure out the failure connected with it. < br>
The injection system of a Bmw Serie 4 F33 controls the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit to be much more precise and to come, under pressure, to release the fuel in the engine unit. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will release the fuel in the form of micro-drops into the cylinders of your Bmw Serie 4 F33. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and therefore a better combustion.

What are the different injection complications on Bmw Serie 4 F33?

Now in this second part, we are going to see the different injection complications and their signs of illness that you might face on your Bmw Serie 4 F33 .

Injection pump complications Bmw Serie 4 F33

To commence, we will find out the injection pump complications on your Bmw Serie 4 F33, there are not many of them, they are generally persistent but we will outline them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system might be too high or too low which will cause a bad air/fuel mixture and therefore a bad combustion and thus alter the performance of the engine unit of your Bmw Serie 4 F33.
  • Leakage from the injection pump of your Bmw Serie 4 F33: If you have a significant leakage problem, the result will be much the same as if you have a lack of pressure, you will not have enough pressure and therefore the combustion of your fuel will not be good

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Regarding the results and signs of illness of a fuel pump problem on a Bmw Serie 4 F33 , you will certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Bmw Serie 4 F33

Now we proceed to the injector problems on Bmw Serie 4 F33 . Injectors represent the end of your injection system, here are the different complications you might encounter:

  • Dirty Bmw Serie 4 F33 injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will probably have one or more cylinders that are not functioning effectively.
  • Leaky Bmw Serie 4 F33 injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Bmw Serie 4 F33 HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Regarding the signs of illness of injector complications on your Bmw Serie 4 F33 it is about the same as for a defective injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.

How to fix an injection problem on a Bmw Serie 4 F33?

To conclude our article content on the injection complications on Bmw Serie 4 F33 , we will try to give you the solutions that exist to fix these complications.
If after a precise investigation it’s your injection pump that is the source of your complications, it will sadly be very difficult to intervene on the issue without replacing the part, this change generally goes with the replacement of the injectors, and in some cases the tank, it will take between 2000 and 3000 euros for the whole, try to get some diagnostics and estimates before starting any repair.
Regarding a problem with an injector there are various solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Bmw Serie 4 F33, do not hesitate to consult our article on this subject to get the procedure. If it doesn’t work, you will have to change them.
  • Leaky injector: The replace and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to replace it, do not hesitate to consult our article on the injectors that leak on Bmw Serie 4 F33, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If you wish more guides on the Bmw Serie 4 F33, go to our Bmw Serie 4 F33 category.