More and more car owners are trying to take care of their cars by themselves. This results in substantial savings because modern cars involve more and more routine service and are made up of more and more technical parts that result in new breakdowns or inconveniences. One of the problems that disturbs more and more Bmw Serie 3 F30 owners is a clogged air flow meter, which will bring about a loss of power and black exhaust gases. Today we are going to check out how to clean the mass air flow sensor of your Bmw Serie 3 F30? . First, we will explain how your mass airflow sensor works and its usefulness, second, why it may be important to clean this sensor , and finally, how to clean the mass air flow sensor of a Bmw Serie 3 F30 .

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Utility and operation of the mass air flow meter of a Bmw Serie 3 F30

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So we start our article with the process and role of your Bmw Serie 3 F30 flowmeter.

The goal of the mass air flow sensor on Bmw Serie 3 F30

The mass air flow sensor is a part that has been developed quite not too long ago and mainly supplied on diesel models. In actual fact, with injection engines, the fuel and air intake has become very precise and it is therefore necessary for the ECU to know the exact volume of air loaded into the engine to change the behaviour of complementary intake parts such as the injection or the EGR valve, if you have problems with the EGR valve on your Bmw Serie 3 F30, do not hesitate to consult our article on this subject.

Mass air flow sensor operation on Bmw Serie 3 F30

Now, we are going to examine how it works, before trying to clean the mass air flow sensor of your Bmw Serie 3 F30 , you must already find out how it functions to do this routine service action correctly.

The mass air flow sensor is therefore mainly there to collect data on the air intake of your car. To achieve this, it must be fitted just after the air intake of your Bmw Serie 3 F30, i. e. just after the air filter. It is a pipe supplied with a sensor that will analyze the air in the intake and transmit the data to the ECU of your car.

Why clean the mass air flow sensor of a Bmw Serie 3 F30?

The mass air flow sensor of your Bmw Serie 3 F30 can have problems and this is what we will try to find out and figure out what problems you may be facing!

Mass air flow sensor problems Bmw Serie 3 F30

Here are the different problems that the air flow sensor of your Bmw Serie 3 F30 can bring about:

  • higher fuel consumption: Because a dirty flow meter will necessarily result in more significant fuel consumption because of poor air flow…
  • Power loss: Related to similar problem, this lack of air can bring about a loss of power to your engine.
  • Difficulties starting the vehicle: Finally, one of the last traditional problems connected with a dirty flowmeter will be that your Bmw Serie 3 F30 will have more troubles to start the vehicle.

How do I clean the mass air flow sensor from a Bmw Serie 3 F30?

After reviewing the operation and complications that the flowmeter can bring about, we will look at how to fix these problems by showing to you how to clean the mass air flow sensor of your Bmw Serie 3 F30 . You should know that this process is quite simple to execute and you will not need advanced mechanical abilities to do it yourself, a good way to avoid a trip to the garage and a steep bill. Discover down below the different steps to stick to to execute this routine service act:

  • After having based the mass air flow sensor of your Bmw Serie 3 F30 , you will have to dismantle it. To achieve this, action gently, but you will just have to disassemble it on both sides of the air duct and disconnect the electrical plug on top of it.
  • Once disassembled, you will have the ability to proceed to the step cleaning the mass air flow sensor of your Bmw Serie 3 F30 . This sensor will, as time passes, get dirty and its two “filaments” that will give information to your computer on the quality and temperature of the air will no longer have the ability to collect data correctly, it is in this sense that it will disturb the operation of the engine of your Bmw Serie 3 F30. The goal of this cleaning will be to remove all its impurities to enable it to work efficiently again.
  • Let soak the lower section of your mass air flow sensor (not the plug part) in acetone or another solvent for a few minutes , which will remove most of the grime
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  • Now we’ll move on to the very gentle cleaning of the flow meter filaments. You have to be very careful, in any other case your mass air flow sensor will be permanently damaged. With the help of a fine brush and solvent, gently clean the two filaments of your mass air flow sensor . If you are too afraid of harming it, you can also clean them with a brake fluid in the form of an aerosol by spraying the jet on these filaments.

Now you know how to clean the mass air flow sensor of your Bmw Serie 3 F30 , you should feel a noticeable difference in the behavior of your engine.

To find more tips on the Bmw Serie 3 F30, take a look at the Bmw Serie 3 F30 category.