2024 BMW M3 Engine Makes A Ticking Noise

Diagnosing the Causes of Ticking Noises in Your 2024 BMW M3 Engine and Recommended Solutions

Find Repair Location
Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
12% chance it's the
Exhaust Leak
0%
88% chance it's
Something else
The most common reasons a 2024 BMW M3 engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak.
  • Exhaust Leak: A damaged exhaust manifold or a loose connection in the exhaust system can cause an exhaust leak, resulting in increased noise and potential loss of engine power.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2024 BMW M3 engine makes a ticking noise?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

If the drive belt idler pulley fails, there will be a very audible chirping noise from the front of the engine. This is because the idler pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to slip off. If the belt falls off, the accessory that it drives will no longer function. For instance, if the alternator belt idler pulley fails, the alternator may stop functioning. Also if the pulley begins to wobble, allowing slack in the belt, it will make an extremely loud squeaking or screeching noise, especially on cold starts. This is the belt slipping on the crankshaft pulley, and will require belt replacement once the idler pulley is replaced.

If the drive belt tensioner fails, there will be a very audible chirping, grinding, or rattling noise from the front of the engine. This is because the tensioner pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to lose tension, or break. If the belt falls off, the accessory that it drives will no longer function. Also, if the tensioner spring fails, allowing slack in the belt, it may make an extremely loud squeaking or screeching noise combined with a rattle as the tensioner bounces back and forth under load. The squealing noise is the belt slipping on the crankshaft pulley, and will require belt replacement once the belt tensioner is replaced.

An engine leaking oil does not always make a puddle on the ground. A burning smell may be noticed from the front of the vehicle after driving. This is because engine oil leaks may fall onto hot engine components, especially the exhaust manifold, and burn off before making it to the ground. This poses a risk to the engine because the leak going unnoticed may deplete the engine oil reserve, and lead to an oil starvation issue. Some engine oil leaks only occur while the engine is running, so the leak may be larger than the small spot on the ground makes it seem.

Noises can be accompanied by many annoying or worrisome sensations. Consider the noise of grinding brakes, the noise sounds much like the brake pedal and steering wheel feel. This is important, as random noises can be difficult to replicate without knowing when the sound occurs, what must be done to make the sound, and what sound it is. Any professional technician can replicate and diagnose most noises, but to ensure the vehicle is more quickly diagnosed, make sure you tell your technician these three pieces of information.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What are the potential causes of a ticking noise in the engine of a 2024 BMW M3, and how should I diagnose it?

When diagnosing a ticking noise in the engine of a 2024 BMW M3, it's crucial to follow a methodical diagnostic approach that begins with the simplest checks. Start by verifying the engine oil level, as insufficient oil can lead to poor lubrication and result in ticking sounds. If the oil level is adequate, proceed to inspect the valve train components, such as lifters and valves, for any signs of wear or damage that could be causing the noise. Next, examine the timing chain and its tensioner, as a malfunction in this area can also produce a ticking sound. Additionally, check for any exhaust leaks near the engine, as these can mimic ticking noises. Finally, assess the condition of the spark plugs, since worn or faulty plugs may contribute to engine noise. By systematically addressing these potential causes, you can effectively pinpoint the source of the ticking noise and implement the necessary repairs to restore your BMW M3's performance.

What could be causing the ticking noise in the engine of a 2024 BMW M3?

When diagnosing a ticking noise in the engine of a 2024 BMW M3, it's crucial to consider several common problems that could be at play. One of the first things to check is the engine oil level; low oil can lead to increased friction and noise as the engine components struggle to operate smoothly. If the oil level is adequate, the next area to investigate is the valve lifters, as worn or damaged lifters can create a distinct ticking sound during engine operation. Additionally, faulty fuel injectors may also contribute to this noise, as they can malfunction and produce irregular sounds while injecting fuel. Another potential culprit is an exhaust leak, which can manifest as a ticking noise, particularly noticeable when the engine is running. Lastly, issues with the timing chain, such as wear on the tensioner or guides, can lead to a ticking sound that should not be ignored. Addressing these issues promptly is essential to prevent further damage, and while some DIY enthusiasts may feel comfortable investigating these areas, consulting a qualified mechanic is advisable for a comprehensive diagnosis and repair.

How urgent is it to address the ticking noise in the engine of a 2024 BMW M3?

Addressing a ticking noise in the engine of a 2024 BMW M3 is not just a matter of convenience; it is a critical step in maintaining the vehicle's health and safety. Early detection of such noises can significantly reduce the risk of further damage to engine components, which can escalate into more severe and costly repairs if left unchecked. Ignoring this symptom may compromise the engine's performance, leading to inefficiencies that can affect fuel consumption and overall driving experience. Moreover, unusual sounds from the engine can indicate underlying issues that pose safety risks to both the driver and passengers. Therefore, it is essential for DIY enthusiasts to prioritize investigating and resolving any ticking noises promptly, ensuring the longevity and reliability of their BMW M3 while safeguarding their driving experience.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2024 BMW M3 Engine Ticking Noise: Causes & Repairs