It is rarely ever pleasant to listen to an injector noise on your BMW 2 Series. It is a noise that arises repeatedly, usually when you accelerate or your engine is idling. However, this sign may be relating to multiple kind of trouble with your car injectors. It may not be anything severe, but when a persistent noise arises, you have to be sure. Most importantly since fixing your BMW 2 Series’s injectors can be expensive. That’s why our team chose to compose this content in order to help you see more clearly, learn about the different possible failures and establish your trouble. To do this, we will first look at the normal functioning and usefulness of the injectors in your BMW 2 Series, then at the possible causes from which an injector noise may come.
Functions of the injectors
Injectors are a very vital part of the operation of your engine unit. They were released to the modern automobiles about 20 years ago. Before their arrival, more conventional carburettor-type intake systems were used, which handled the intake of air and fuel into the engine cylinders. With the injectors, manufacturers now have the possibility, thanks to the injectors pump, to control electronically each stage of the intake process very precisely (quantity of fuel injected, air/fuel mixture) via the analysis of the data obtained from the various sensors equipping the car (engine temperature, acceleration level, engine speed, etc.). Their aim is therefore to inject under high pressure a precise quantity of an air/fuel mixture at a perfect timing to obtain the best possible combustion in the cylinders.
The different causes of a clicking or knocking noise based on the injectors of your BMW 2 Series
Finding out injector noises on your BMW 2 Series may originate from different locations, we will now center on the potential triggers of these. In most cases, the typical noise of a faulty injector is of the snap type. Here are the different sources of these noises and the solutions to be adopted to eliminate them. If you listen to another clicking noise but it is not from your injectors, we suggest you to read this content about clicking noise on BMW 2 Series to locate the reason.
The explanations for injector clicking or knocking noise BMW 2 Series
A clicking or knocking noise from your injectors can be explained for different explanations. Indeed, the injectors of your BMW 2 Series have three main missions, to control the vaporisation of the fuel, i.e., to transform the liquid into “gas” during injection, to ease its combustion. Then, its goal is to control the air/fuel dosage and finally the homogeneity of the mixture, always with the objective of improving combustion. If one of these three features is modified, the main role of the injectors will be disrupted and this will lead to poor combustion. This bad combustion will be a violent explosion in the cylinders due to bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will provoke thoses knocking or clicking noises on your BMW 2 Series. The main reason of these problems commonly comes from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible obstruction will inevitably end in a malfunction of the injector. If after checking, this noise comes from another component of the engine of your BMW 2 Series, browse this content for more informations.
The effects of injector noise on BMW 2 Series
Now that we have examined the diverse causes for injector noise on your BMW 2 Series, we will end by stating the possible consequences of malfunctioning one or more of your injectors. Whether only one is blocked, or broken, or your entire fuel rail is involved, you cannot escape these effects which can fairly quickly become critical….
First, you risk destroying your exhaust system in the long run, because the unburned fuel residues that will end up in your exhaust system can corrode the metal in it.
One of the most basic effects experienced by drivers is a severe loss of power. Indeed, if your engine is running on 3 out of 4 cylinders for example, you will inevitably have a loss of power
Finally, you risk deteriorating one of your pistons or your engine. Poor combustion will fairly quickly damage your cylinders or pistons and your engine may tighten.
Here are three little tips to limit the risks linked to your injectors and protect you from engine failure:
- Do not drive at the bottom of the tank, as you may absorb impurities
- Use quality fuel
- Think of changing your diesel fuel filter regularly>
