What could possibly be more frustrating than noises when you start your automobile… In fact, you maybe already perceived noises when you start your Bmw Z4 and generally it’s frustrating. It could 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 team has made the decision to write this article to support you find its source. To do this, first, we will see the case of noise when starting on Bmw Z4 but the automobile does not start, and finally, the noise you can feel on your automobile if it starts, first cold and then hot.
I listen to a noise when I try to start my Bmw Z4, but the engine doesn’t start
I find a clicking noise at the start of my Bmw Z4
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 issue. In fact, if you acknowledge clicking noise when you start your Bmw Z4, and it sounds like a ticking, you almost certainly lack the energy to run your starter, check your battery with a voltmeter and swap it if required. In the event that after looking at your battery, you still experience a noise when starting your Bmw Z4 and it does not want to start, consult this content page about starter motor noises on Bmw Z4 for more info and to locate the origin of your issue.
I perceive a noise when I start my Bmw Z4 but the engine it starts
I listen to a noise when I start my Bmw Z4
- Grinding or squealing type noises when I start cold Bmw Z4 :
If you listen to a noise when you start your Bmw Z4, and this noise is like grinding or squealing noise, which can also be linked 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 performance of the engine will be altered. Check the condition of your injectors and air intake system. For more info on the origins of injection-related noises on Bmw Z4, see this piece of content. - Cold start friction parts Bmw Z4 :
If you experience cold friction noises on Bmw Z4, it is pretty much 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 provoke a friction noise, often when cold. Visually verify your belt and swap it if necessary. 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 Z4.
I listen to a noise when starting my Bmw Z4 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 made by starting the engine can create starting noise on Bmw Z4. Check their condition and replace them if necessary. Consult this content page if you would like to have detailed info on rubber mount noises on Bmw Z4. - Motor flywheel
Finally, if you discern a noise that sounds a little like a crank noise when you start your Bmw Z4, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the origin of your problems. In fact, these parts have created a lot of problems on many vehicles. When they take part in the game they produce noise when you start your Bmw Z4 and when you turn off the engine. Have his condition inspected by a professional.
