Do you listen an engine noise on your BMW 3 Series when you drive? We understand that this is very stressing and that you are wanting to know. Finding out such a noise is not always a good sign, but it may also be nothing serious. To support you eliminate this problem, our team has decided to compose this content page to help you in this investigation. In order to accomplish this research as accurately as possible, we will first focus on clicking noises, then on whistling noises and, finally, on engine noises on BMW 3 Series metal type.engine-noise-bmw-3-series

I listen a clicking engine noise BMW 3 Series

In case you detect a clicking engine noise on your BMW 3 Series, and that this noise is close to a click, you will have to detect the source area of it to be able to know the cause 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 3 Series, and this noise is based at the top of the engine, it means that it is based at your cylinder head and accompanying elements. Two elements can be the triggers of these engine noises on BMW 3 Series. Either the hydraulic pushers, generally it is because of their defective “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 issue. In cases like this, consider changing them.

I listen a noise coming from the bottom engine of my BMW 3 Series

If you have distinguished the area of source of engine noise on BMW 3 Series that comes from your low engine, it may be that your rods or piston shafts are the triggers. In both cases, the long-term risk is engine failure. These two repairs are very difficult and most technicians will advise you to change the motor of your BMW 3 Series.

I listen an engine clicking noise on BMW 3 Series coming from combustion

Finally, if you think that this clicking noise is associated with the combustion of your engine, there are three possible triggers of it. Verify the condition 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 components to induce good combustion. And finally, the most classic cause, comes from your injection, which is either clogged or one or more injectors is damaged. In this case, do not hesitate to consult this content page which deals in detail with the different injector noises on BMW 3 Series.

Hissing noise / engine friction BMW 3 Series

Engine noise BMW 3 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 check the condition and try to discover the exact source of this noise by positioning someone at the engine at idle, and if this noise is more likely to arise in high rpm, accelerate and position someone at the engine block to discover the region of origin of the noise. The three elements whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.

Engine noise BMW 3 Series when releasing or depressing the clutch

In the event that you perceive engine noise on BMW 3 Series, but this noise happens mainly when you release or depress your clutch pedal, in this instance it is very likely that your release bearing is worn. Indeed, a worn release bearing will produce a noise close to a bell noise. To have more information about this noise and if you have managed to verify that the release bearing is indeed the trigger of your concerns, direction here, to find a complete file on release bearing sounds on BMW 3 Series.

Engine noise BMW 3 Series close to a friction

In the event that you listen a motor noise on your BMW 3 Series, and, that this noise is close to a friction, it is likely that one of your belts or one of the components that triggers it is the origin of your problems.Often, we will start to listen a motor noise on BMW 3 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 check their condition and go to your auto mechanic to swap the elements in question. If you have been able to target the noise as coming from the belts and you want more information about it, read this content page on belt noise on BMW 3 Series for a complete guide.

Metal motor noise BMW 3 Series

In the event that you listen an engine noise on BMW 3 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 linked to damaged sprockets. Try to check that this noise comes from the transmission, if this is the case, quickly go to your 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 every time your engine moves, either because of a change of pace (acceleration or braking) or, when you pass on roads in poor condition. Verify the condition of your silentblocks and swap them if required. If you want to have more information about rubber mounts noises on BMW 3 Series, browse this content page which gives you more information about the different types of noise and their origins.