What could be more distressing than noises when you start your automobile… Indeed, you maybe already noticed noises when you start your BMW i3 and generally it’s frustrating. It could not be anything major, 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 document to help you find its source. To do this, first, we will see the case of noise when starting on BMW i3 but the automobile does not start, and finally, the noise you can encounter on your automobile if it starts, first cold and then hot.
I experience a noise when I try to start my BMW i3, but the engine doesn’t start
I perceive a clicking noise at the start of my BMW i3
If you experience 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 trouble. Indeed, if you perceive clicking noise when you start your BMW i3, 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 event that after checking out your battery, you still encounter a noise when starting your BMW i3 and it does not want to start, refer to this article content about starter motor noises on BMW i3 for more details and to discover the source of your trouble.
I hear a noise when I start my BMW i3 but the engine it starts
I experience a noise when I start my BMW i3
- Grinding or squealing type noises when I start cold BMW i3 :
If you experience a noise when you start your BMW i3, and this noise is like grinding or squealing noise, which can also be related to vibrations, it is plausible that it is the combustion of your automobile that is involved. Indeed if you have an air/fuel mixture that is not good the normal operation of the engine will be altered. Examine the state of your injectors and air intake system. For more details on the origins of injection-related noises on BMW i3, read this content. - Cold start friction parts BMW i3 :
If you discern cold friction noises on BMW i3, it is almost sure that they come from one of your belts. Either the serpentine belt starts to wear out and therefore triggers a friction noise. It is also plausible 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 verify your belt and swap it if necessary. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full article content on engine of your BMW i3.
I experience a noise when starting my BMW i3 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 plausible that some of your engine silentblocks or rubber mounts are good to be swapped. And the huge vibrations made by starting the engine can generate starting noise on BMW i3. Examine their state and swap them if necessary. Browse this article content if you would like to have detailed details on rubber mount noises on BMW i3. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your BMW i3, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the source of your trouble. Indeed, these parts have created a lot of trouble on many cars. When they take part in the game they make noise when you start your BMW i3 and when you turn off the engine. Have his state inspected by a specialist.
