What could be more annoying than noises when you start your car… Indeed, you maybe already noticed noises when you start your Bmw Serie 3 E90 and generally it’s frustrating. It may not be anything significant, but each new engine starts usually turns into a scary moment during which you don’t know if your engine will start. That is why our editorial staff has chosen to write this content page to support you find its origin. To do this, first, we will see the case of noise when starting on Bmw Serie 3 E90 but the car does not start, and finally, the noise you can encounter on your car if it starts, first cold and then hot.
I experience a noise when I try to start my Bmw Serie 3 E90, but the engine doesn’t start
I identify a clicking noise at the start of my Bmw Serie 3 E90
If you experience a noise when you want to start your car, and it does not want to turn on, it is very likely that it is the battery that is contributing to the problem. Indeed, if you listen to clicking noise when you start your Bmw Serie 3 E90, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and change it if necessary. In the case that after looking at your battery, you still know a noise when starting your Bmw Serie 3 E90 and it does not want to start, browse this article about starter motor noises on Bmw Serie 3 E90 for more info and to find the source of your problem.
I hear a noise when I start my Bmw Serie 3 E90 but the engine it starts
I experience a noise when I start my Bmw Serie 3 E90
- Grinding or squealing type noises when I start cold Bmw Serie 3 E90 :
If you experience a noise when you start your Bmw Serie 3 E90, and this noise is like grinding or squealing noise, which can also be relating to vibrations, it is conceivable that it is the combustion of your car that is involved. Indeed if you have an air/fuel mixture that is not good the normal running of the engine will be altered. Verify the condition of your injectors and air intake system. For more info on the origins of injection-related noises on Bmw Serie 3 E90, see this content. - Cold start friction parts Bmw Serie 3 E90 :
If you discern cold friction noises on Bmw Serie 3 E90, it is almost sure 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 conceivable that the tensioner roller or damper pulley is worn out and that as a result the extension belt make a friction noise, often when cold. Visually verify your belt and change it if needed. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full article on engine of your Bmw Serie 3 E90.
I experience a noise when starting my Bmw Serie 3 E90 even when hot
- rubber mount / silent bloc dead motor
If you experience a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is conceivable that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations made by starting the engine can create starting noise on Bmw Serie 3 E90. Verify their condition and change them if needed. Read this article if you would like to have detailed info on rubber mount noises on Bmw Serie 3 E90. - Motor flywheel
Finally, if you experience a noise that sounds a little like a crank noise when you start your Bmw Serie 3 E90, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the source of your problems. Indeed, these parts have created a lot of problems on many automobiles. When they take part in the game they make noise when you start your Bmw Serie 3 E90 and when you turn off the engine. Have his condition checked out by a mecanist.
