A catalytic converter is an important part of recent cars, as it purifies your vehicle’s exhaust fumes and thus matches modern pollution standards. Nevertheless, it is possible that it may turned out to be clogged or breakdown, in which circumstance a change or cleaning is necessary. Today we are going to check out how to clean a catalytic converter on Bmw Serie 3 E90? To get this done, to begin with, we will show you the situations in which it might be interesting to clean the catalytic converter of your Bmw Serie 3 E90, then, how to execute this cleaning to retrieve the efficiency of the catalytic converter of your car.

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Why would you want to clean up the catalytic converter of your Bmw Serie 3 E90?

In this first part we will show you why it might be important to clean the catalyst of your Bmw Serie 3 E90 . In truth for some of you it might seem logical but most of you do not understand how it functions and the consequences dirty catalytic converter .

Role and functioning of the catalytic converter of a Bmw Serie 3 E90

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The catalytic converter of your Bmw Serie 3 E90 has the function to eliminate harmful exhaust fumes associated with the procedure of your engine. In truth, it is one of the main elements that fight against the pollution discharged by your Bmw Serie 3 E90. It will transform these harmful gases into water or non-polluting fumes. In order to transform these gases, the catalyst of your Bmw Serie 3 E90 a mesh of precious metals which, when the gases pass at high temperature, will break them down by chemical reaction . A catalytic converter can only work from 400°, it is therefore important to avoid clogging the catalytic converter of your Bmw Serie 3 E90. If you are thinking of making sufficiently long travels to heat it up repeatedly (count more than 10 kilometres for the catalyst to reach the right temperature), this will enable you to optimize the life of this part and keep ideal engine performance.

Consequences of a dirty or faulty catalytic converter on Bmw Serie 3 E90

We will now see what can be the consequences of a dirty or failing catalytic converter on Bmw Serie 3 E90 . This will enable you to detect the manifestations that should alert you to a malfunction of your catalytic converter, here is the list of symptoms of a faulty catalytic converter:

  • The catalytic converter of your Bmw Serie 3 E90 is clogged: As we stated above, if you make too short journeys like 50% of people, it will not have the time to start working and the catalytic converter will clog up with exhaust fumes.
  • Switching on the engine light: : Following a clogged catalytic converter, engine light of your Bmw Serie 3 E90 may come on, do not think twice to consult our content page to identify how to switch it off.
  • A faulty lambda sensor : The catalyst functions in close connection with the lambda sensors downstream and upstream of it, they will analyze the air flowing inside it, if it is clogged the sensors will often times also have complications.
  • A metallic noise originating from the exhaust: In case the catalyst is dead you should hear this noise which results in that the ceramic is damaged.

Why you should clean the catalytic converter of your Bmw Serie 3 E90

Before we end with the step you are likely most curious about, how to clean the catalytic converter of a Bmw Serie 3 E90? We will show you why it might be important for you to execute this cleaning. In truth, a catalytic converter is a very expensive part (about 500 euros with the set up, the price can vary depending to the engines). Furthermore to being no longer good for passing the technical control , you might be at risk of over-consumption of fuel . At last, the last benefit is that cleaning a catalytic converter is not that expensive and doing it repeatedly will save you quite a lot of money.

How do you clean the catalytic converter from its Bmw Serie 3 E90?

Finally here is the step that you are most likely most enthusiastic about in this guideline, how to clean the catalytic converter of your Bmw Serie 3 E90? Know that this process is very very easy, and that there are two techniques to do it:

  • Scrubbing the catalytic converter from your Bmw Serie 3 E90 regularly: This technique is especially practical for people who principally do short trips . To do this, nothing could be simpler, from time to time, make a long trip (about 30 minutes to improve the efficiency of the process), thinking of making your engine go up in revs so that the temperature in the catalyst increases and it can be cleaned.
  • To use a catalyst cleaner: You can find some in a motor vehicle center for about 20 euros. All you have to do is add it to your fuel directly in your tank with about half a full tank. Afterwards you will have to drive on a long distance for at least 1 hour at mid-range by trying to go repeatedly at high rpm . If you can before and afterwards do an exhaust gas analysis to examine that you have recovered healthier exhaust fumes after the process. You can execute this process every 15 000km.

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To get more tips on the Bmw Serie 3 E90, take a look at the Bmw Serie 3 E90 category.