Do you listen an engine noise on your BMW 4 Series while driving? We can understand that this is very distressing and that you are wanting to know. Experiencing such a noise is not always a good indicator, but it may also be nothing serious. To help you fix this problem, our team has decided to prepare this article to assist you in this investigation. In order to do this research as accurately as possible, we will first concentrate on clicking noises, then on whistling noises and, finally, on engine noises on BMW 4 Series metal type.engine-noise-bmw-4-series

I listen a clicking engine noise BMW 4 Series

In case you find out a clicking engine noise on your BMW 4 Series, and that this noise is close to a click, you will have to determine the source location of it to be able to know the trigger of it. You will need a mechanical stethoscope or a large screwdriver to locate the original area of these noises.

I listen a clicking noise coming from my high engine

If you listen an engine noise on BMW 4 Series, and this noise is located at the top of the engine, it means that it is located at your cylinder head and accompanying components. Two components can be the triggers of these engine noises on BMW 4 Series. Either the hydraulic pushers, in general it is because of their faulty “hydraulic catch-up” system that we will listen these clicking noises, often when cold and goes away when hot. Otherwise, it is your the play of your rocker arms or their state of wear that is the concern. In this case, consider changing them.

I listen a noise coming from the bottom engine of my BMW 4 Series

If you have revealed the place of source of engine noise on BMW 4 Series that comes from your low engine, it may be that your rods or piston shafts are the triggers. In both circumstances, the long-term risk is engine failure. These two repairs are very complicated and most technicians will advise you to swap the motor of your BMW 4 Series.

I listen an engine clicking noise on BMW 4 Series coming from combustion

Finally, if you have the feeling that this clicking noise is related to the combustion of your engine, there are three possible triggers of it. Verify the state of your glow plugs which if worn can hinder the proper combustion of the fuel mixture. Then, your timing belt may be shifted and may poorly manage the timing of the various engine elements to provide good combustion. And finally, the most classic trigger, comes from your injection, which is either blocked or one or more injectors is injured. In this case, do not be reluctant to read this article which deals in detail with the several injector noises on BMW 4 Series.

Hissing noise / engine friction BMW 4 Series

Engine noise BMW 4 Series close to a bearing

If it is close to a squeaking noise you may have one of the bearings of your engine accessory parts that are reached. So examine the state and try to locate the exact origin of this noise by positioning someone at the engine at idle, and if this noise is more likely to manifest in high rpm, accelerate and position someone at the engine block to discover the region of origin of the noise. The three components whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.

Engine noise BMW 4 Series when releasing or depressing the clutch

In the event that you acknowledge engine noise on BMW 4 Series, but this noise occurs mainly when you release or depress your clutch pedal, in this case it is very likely that your release bearing is worn. Indeed, a worn release bearing will emit a noise close to a bell noise. To have more details about this noise and if you have managed to validate that the release bearing is indeed the reason of your concerns, direction here, to find a complete file on release bearing sounds on BMW 4 Series.

Engine noise BMW 4 Series close to a friction

In the event that you listen a motor noise on your BMW 4 Series, and, that this noise is close to a friction, it is likely that one of your belts or one of the elements that triggers it is the source of your problems.Often, we will start to listen a motor noise on BMW 4 Series, close to a friction when one of the belts is worn out or when one of the related parts like your alternator, or your tensioner roller is the problem. So bear in mind to examine their state and go to your motor mechanic to swap the components in question. If you have been able to target the noise as coming from the belts and you want more details about it, inspect this article on belt noise on BMW 4 Series for a complete guide.

Metal motor noise BMW 4 Series

In the event that you listen an engine noise on BMW 4 Series and this noise is close to metal noise, it is possible that this noise comes from your gearbox or clutch. Indeed, a metallic noise in the engine block is often associated with damaged sprockets. Try to examine that this noise comes from the transmission, if this is the case, promptly go to your auto technician or you would get a break down. Finally, the second possibility is that your silent engine blocks or rubber mounts may be dead. This triggers a metallic noise each time your engine moves, either because of a change of pace (acceleration or braking) or, when you drive on roads in poor state. Verify the state of your silentblocks and swap them if required. If you want to have more details about rubber mounts noises on BMW 4 Series, browse this article which gives you more details about the several types of noise and their origins.