It is never enjoyable to hear a sound in your car that you don’t know the origin of. So, what if you recognize a loud noise that persists on your BMW X1? It is very possible that this is a minor trouble, but before beeing sure, it is better to do some checks. Whether that loud noise comes from the front of the automobile, from the rear, whether it shows up when you accelerate or when you are parked, our team has made this article to help you solve it. First, we will detail the possible explanations for the issue according to when loud noise appears on your BMW X1, and then we will concentrate on the region of origin of the noise. In any case, if this noise remains, follow these recommendations to help you find the source.loud-noise-bmw-x1

When does my BMW X1 generate a loud noise?

One way to detect a noise from your BMW X1 is to determine when it appears. Indeed, some concerns can be linked to components that are only stressed under certain circumstances. It is this technique that we will focus on in this first part.

Loud noise BMW X1 when accelerating

Loud noise on BMW X1 that appears when you are accelerating can be symptomatic of multiple failures. Indeed, if you feel a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will induce a much higher noise than during normal operation. Furthermore, it is also highly possible that loud noise on your BMW X1 is connected to a wheel bearing, which is one of the most common causes of these types of manifestations. Another alternative is that your exhaust pipe may have holes or a collar may have become loose. Finally, it is also possible that the trouble may come from a deformed tire or an unbalanced wheel that will tend to vibrate as it gains speed.
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When my BMW X1 is stopped

If your BMW X1 makes a loud noise while not accelerating, engine on, the trouble may be related to poor air intake. An air intake hose that has come loose or has a hole in it may be the induce.

Where does loud noise come from on my BMW X1 and how can I be sure of its origin?

Now that we have uncovered the cause of the sound, we will look into the verification stage to be certain that this is the matter you are having.

  • The loud noise comes from the wheels of my BMW X1

    As we have seen before, loud noise from the wheels of your BMW X1 may be related to two main disorders. If it is one of your tired bearings, it will tend to make a thumping noise that intensifies when it is under stress (spins faster and faster). So remember to examine by driving “fast” (neutral gear on and window open to hear only the noise of the wheels) that the noise is located here, if this is the case change it or them straight away. If it is a deformed tire, don’t forget to visually check the entire tread area for linearity. If it is the balancing of the wheels of your BMW X1 that is the matter, you will tend to feel a vibration in the direction of the vehicle as you go faster. In both cases, you will have to go to your auto technician to swap the tires or do a balancing.

  • The loud noise comes from the engine of my BMW X1

    In case you have recognized loud noise as coming from the engine of your BMW X1, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be connected with a compression loss during the engine ramp-up phase, so you should experience a power loss during your acceleration. If the loud noise on your BMW X1 is related to air intake, the control will be done mainly visually, check all your air intake hoses by a visual control in your engine block to be sure that it is not damaged or disconnected which would cause an air intake, if it is just disconnected you can reconnect the air intake tubes yourself. Then examine that the engine idle speed is not random. In case you confirm one of these two trouble, take your vehicle to your service garage .

  • Loud noise comes from the exhaust pipe of the vehicle

    If the noise you have found comes from the exhaust pipe of your BMW X1, it is highly possible that you have rust if your automobile is old and has created holes in it over time and therefore generates a very high noise close to aircraft noise on your BMW X1, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To verify this, get help from someone who will stand under the automobile while you accelerate to find the exact area of source of this noise. If it is a hole, you can repair it with a putty provided for this purpose, or, if it is a collar, “reattach” it. If it is cut or the hole is too big, it is better to get closer to your mechanic.