It is never relaxing to hear a sound on your car you don’t where it comes from. So what if you discover a timing belt noise that persists on your BMW 4 Series? It is highly conceivable that this is a slight problem, but before being certain, it is better to perform some inspections. If this belt noise comes from your timing belt, our team has written this article to help you locate and fix it. First, we will have a look at the timing belt noises on your BMW 4 Series and then we will look at the reasons for these noises.timing-belt-noise-bmw-4-series

Noise of timing belt BMW 4 Series

The timing belt has a vital role to play. It acts as a conductor and synchronizes the engine crankshaft to the camshaft. It assures the correct transmission of movement to the valves and pistons, which must open at particular times. It is the link between the top and bottom of the engine. It is sorely tested and wears out with time, it is up to you to respect the manufacturer’s instructions to swap it at the right time, we usually talk about years or mileage to respect. Otherwise, you could be the victim of a engine failure.

I acknowledge a timing belt loud noise on my BMW 4 Series after replacement

If you acknowledge a loud whistling sound that does not reduce on the timing belt of your BMW 4 Series, it can be linked to a circular saw sound. It is more than possible that you will have to worry about it rapidly. This can come up as a result of a poorly performed belt swap. In fact, some mechanician want to save time and do not respect the manufacturer’s stress measures. In fact, to change a timing belt you must first lock the engine in a certain procedure, with the right tools. Then, when the belt is reassembled, you will have to manage its tension and comply with the manufacturer’s standard. To do this, we will use a tool called a tensiometer, but unfortunately some garages or mechanics do not apply themselves to one of these two tasks, which inevitably triggers major concerns for the vehicle owner. This leads to an over-tension of the timing belt which is even greater when hot and may eventually break. Bear in mind to take your vehicle to a professional to confirm and resolve this error. If, after checking, this loud noise does not come from your timing belt, browse this article on loud noises on BMW 4 Series for more info about it. In the other hand, it could be a serpentine noise on BMW 4 Series that you come across.

I listen to belt noises squealing or squeaking that increase BMW 4 Series

Finally, if you acknowledge asound from your BMW 4 Series’s timing belt, it is important to take care of it and take your automobile to your motor mechanic or risk engine failure. The cause for this noise is often an end-of-life belt that begins to deteriorate inside the engine motor and whose flaps begin to knock against the inside of the timing gearbox. Hurry to your mechanic. The replacement of a timing belt kit must always be done in advance as part of normal vehicle service. If you wait until the failure occurs, it will be too late because the result of a timing belt failure is the failure of your engine. We will generally take this opportunity to change the accessory belt, the tensioning rollers that manage the tension of the belt and the water pump system. If you’re lucky and this noise doesn’t come from your timing belt, take a look at our article on squeaking noise on BMW 4 Series.