What could be more annoying than noises when you start your automobile… In fact, you plausibly already perceived noises when you start your BMW X3 and generally it’s frustrating. It might not be anything major, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our editorial staff has chosen to compose this document to help you find its source. To do this, first, we will see the case of noise when starting on BMW X3 but the automobile does not start, and finally, the noise you can experience on your automobile if it starts, first cold and then hot.
I listen to a noise when I try to start my BMW X3, but the engine doesn’t start
I pay attention to a clicking noise at the start of my BMW X3
If you listen to a noise when you want to start your automobile, and it does not want to turn on, it is likely that it is the battery that is contributing to the problem. In fact, if you listen clicking noise when you start your BMW X3, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and swap it if necessary. In the case that after checking your battery, you still experience a noise when starting your BMW X3 and it does not want to start, browse this content page about starter motor noises on BMW X3 for more information and to locate the source of your problem.
I listen to a noise when I start my BMW X3 but the engine it starts
I listen to a noise when I start my BMW X3
- Grinding or squealing type noises when I start cold BMW X3 :
If you listen to a noise when you start your BMW X3, and this noise looks like grinding or squealing noise, which can also be relating to vibrations, it is possible that it is the combustion of your automobile that is involved. In fact if you have an air/fuel mixture that is not good the normal general performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more information on the origins of injection-related noises on BMW X3, check out this article. - Cold start friction parts BMW X3 :
If you experience cold friction noises on BMW X3, it is almost certain that they come from one of your belts. Either the serpentine belt starts to wear out and therefore causes a friction noise. It is also possible that the tensioner roller or damper pulley is worn out and that as a result the extension belt triggers a friction noise, often when cold. Visually check your belt and swap it if required. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full content page on engine of your BMW X3.
I listen to a noise when starting my BMW X3 even when hot
- rubber mount / silent bloc dead motor
If you listen to a clacking noise just when you start your car’s engine and it is more than 100,000 km long, it is possible that some of your engine silentblocks or rubber mounts are dead. And the huge vibrations produced by starting the engine can generate starting noise on BMW X3. Examine their condition and swap them if required. Consult this content page if you would like to have detailed information on rubber mount noises on BMW X3. - Motor flywheel
Finally, if you perceive a noise that sounds a little like a crank noise when you start your BMW X3, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the source of your problems. In fact, these parts have created a lot of problems on many cars. When they take part in the game they produce noise when you start your BMW X3 and when you turn off the engine. Have his condition inspected by a specialist.
