The particle filter is a pretty recent invention that aims to take out harmful particles from the exhaust gases of modern diesels. It has long been discovered as the miracle solution to these pollution complications. However, it doesn’t work as well as intended and triggers more complications than it handles, which is why we will see in this article when changing the particulate filter of a BMW X4? . To do this, to begin with, we will find out what the particle filter on your motor vehicle is utilized for, and then when to replace the particle filter on your BMW X4.

when-change-particulate-filter-bmw-x4

What’s the purpose of a BMW X4’s particulate filter?

So we start our article content with the reason for this element recently included into diesel vehicles. As we mentioned briefly in the introduction, the purpose of this filter was to solve the complications of pollution and harmfulness of exhaust fumes from BMW X4 vehicles. Its functioning concept is to store exhaust fumes that are unburned or that still contain harmful particles, and when it is at a sufficiently high temperature to trigger a second combustion that will finish burning and eliminate all these carcinogenic particles. Unfortunately, to reach this very high engine temperature, you have to be on the highway or have your BMW X4 engine revving up. So we have discovered over time that cars that are specifically on short trips or in the city do not enable the particulate filter to burn these fumes and we will see in the next section that these complications can force you to replace the particulate filter of your BMW X4 .

When to replace the particulate filter of a BMW X4?

In this section we will find out what you are clearly attracted to here, if it is required to replace the particulate filter of a BMW X4 and if so, when?

Is it required to replace the particulate filter on BMW X4?

There are 2 sort of particulate filter for cars, a particulate filter with additive, which does not concern the BMW X4, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and therefore to burn all those harmful soot. The second one, the one we are interested in today, works with precious metals that will produce a chemical reaction at high temperature and trigger the regeneration of the filter and the evacuation of the carcinogenic materials. However, as mentioned earlier, it requires very high temperatures, if these are not reached the filter will clog. If the filter is not regenerated manually, drive at high speed for about 20 minutes to reach this temperature and thus regenerate your filter, you will clog it and risk damaging your turbo, your EGR valve or your engine. If you need to clean the EGR valve of your BMW X4 because of your particulate filter, do not hesitate to check out our article on this subject to find out what the procedure is.

When to replace the particulate filter of a BMW X4?

As we revealed just before, a particulate filter is supposed to last the life of the vehicle, however some of you may wonder when it is required to replace the particulate filter of its BMW X4? Take note that this component is extremely expensive, labor is not the most important issue because it is easy to access. But the part itself will vary enormously in price based on your motorization, you can still count a range between 700 and 2000€. This replace should only be considered in the case of a completely clogged particle filter. If you don’t regularly take the motorway, we suggest you, every month to drive 10 minutes on the motorway at least 3000 rpm . In spite of everything, the current particulate filter have not been well designed and remain troublesome, it is considered that because of the lack of a sufficiently regular temperature rise and other design complications, you should begin planning to replace your particulate filter from 200, 000km if you have a use of your XX that is more urban and a little more if it is mixed .

If you have any further questions about the BMW X4, do not hesitate to consult our BMW X4 category.