Having a healthy car seems to be an important prerequisite for most people, as we are all dependent on our cars, regardless it is to go to your job or for personal travel. So when we identify something different about our BMW 3 Series, we logically usually tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your BMW 3 Series, you’ve come to to the good article contect. We are aware that this is a repeated issue and so we have decide to publish a focused content to enable you deal with it. To do so, first we will look into the problems linked to hydraulic tappets and valves, then at combustion problems, and at last at the engine rattling when hot because of problems linked to the lower engine.
Engine rattling when hot on my BMW 3 Series because of the hydraulic tappets
If you hear the engine hot rattles on your BMW 3 Series, and this noise is established at the top of the engine, it involves that it comes from your cylinder head and its accompanying components. There are two possible motives of an hot engine rattling on a BMW 3 Series. Either the hydraulic tappets, in general it is because of their faulty “hydraulic catch-up” system that you will hear these clicking noises, often when hot and not when cold. Otherwise, it is the play of your rocker arms or their state of wear that is accountable. In this instance, consider swapping them.
The engine of my BMW 3 Series is doing some rattling noise when hot because of combustion problem
Second option, if you have the feeling that the hot engine rattling is linked to the combustion of your engine, there are three possible motives of this one. It may be that your timing is out of sync and that it does not control the synchronization of the different components of the engine to promote good combustion. And to finish, the most common cause comes from your injectors, which are either clogged or damaged. Don’t hesitate to go to your repair shop so that he can examine the part that seems to be the reason of your engine’s hot clicking on your BMW 3 Series.
Engine of my BMW 3 Series rattling cause of problem in the lower part of the engine
At last, if you have identified the place of origin of your engine that hot rattles on your BMW 3 Series that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both situations, the risk in the long run is engine breakage. These two repairs are particularly complex and most mechanics will advise you to replace the engine of your BMW 3 Series. In any case, don’t wait when you notice such a issue, it will let you to prepare for an upcoming expense or at best find a more affordable solution, rather than find yourself faced with a failure with the origin of your engine rattling when hot and the end result being your engine breaking down on you when you come home from work. Don’t hesitate to have a look at our catalogue of items on your car that can enable you solve other problems or learn more about your BMW 3 Series.
In the event that you have any additional questions about the BMW 3 Series, do not hesitate to consult our BMW 3 Series category.
