What could possibly be more distressing than noises when you start your automobile… Indeed, you probably previously heard noises when you start your BMW X5 and generally speaking it’s frustrating. It could not be anything serious, 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 chosen to prepare this document to help you find its origin. To do this, first, we will see the case of noise when starting on BMW X5 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 notice a noise when I try to start my BMW X5, but the engine doesn’t start
I acknowledge a clicking noise at the start of my BMW X5
If you notice 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. Indeed, if you acknowledge clicking noise when you start your BMW X5, and it sounds like a ticking, you probably lack the energy to run your starter, test out your battery with a voltmeter and change it if necessary. In the case that after checking out your battery, you still know a noise when starting your BMW X5 and it does not want to start, refer to this article about starter motor noises on BMW X5 for more info and to discover the source of your issue.
I acknowledge a noise when I start my BMW X5 but the engine it starts
I notice a noise when I start my BMW X5
- Grinding or squealing type noises when I start cold BMW X5 :
If you notice a noise when you start your BMW X5, and this noise looks like grinding or squealing noise, which can also be relating to vibrations, it is conceivable 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 running of the engine will be altered. Examine the state of your injectors and air intake system. For more info on the origin of injection-related noises on BMW X5, see this piece of content. - Cold start friction parts BMW X5 :
If you discern cold friction noises on BMW X5, it is pretty much certain 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 conceivable that the tensioner roller or damper pulley is worn out and that as a result the extension belt causes a friction noise, often when cold. Visually examine 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 X5.
I notice a noise when starting my BMW X5 even when hot
- rubber mount / silent bloc dead motor
If you notice 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 swapped. And the huge vibrations produced by starting the engine can make starting noise on BMW X5. Examine their state and change them if needed. Browse this article if you would like to have detailed info on rubber mount noises on BMW X5. - Motor flywheel
Finally, if you perceive a noise that sounds a little like a crank noise when you start your BMW X5, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the source of your concerns. Indeed, these parts have created a lot of concerns on many vehicles. When they take part in the game they generate noise when you start your BMW X5 and when you turn off the engine. Have his state examined by a specialist.
