2020 BMW M8 Gran Coupe Tire Pressure Warning Light Stays On

Resolve tire pressure warning light in 2020 BMW M8 Gran Coupe: causes and solutions.

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 2020 BMW M8 Gran Coupe tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
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 2020 BMW M8 Gran Coupe tire pressure warning light stays on?

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.

When a tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What are the initial steps to diagnose the tire pressure warning light on a 2020 BMW M8 Gran Coupe?

To effectively diagnose the tire pressure warning light on your 2020 BMW M8 Gran Coupe, start by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels. This is often the simplest solution, as low tire pressure is a frequent trigger for the warning light. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, which could lead to air loss. If the tires appear to be in good condition, consider resetting the tire pressure monitoring system, as sometimes the light can be activated by a temporary glitch. Utilizing a tire pressure gauge will help you confirm that each tire is within the appropriate pressure range. Lastly, consult your owner's manual for specific guidance tailored to your vehicle, as it may provide additional troubleshooting steps or insights into the warning system. By following these steps, you can efficiently address the tire pressure warning light and ensure your vehicle is safe and road-ready.

What could cause the tire pressure warning light to stay on in a 2020 BMW M8 Gran Coupe?

When the tire pressure warning light stays on in a 2020 BMW M8 Gran Coupe, it can be attributed to several common problems that DIYers can investigate. The most frequent culprit is low tire pressure, which can easily be checked using a tire pressure gauge. Ensuring that all tires are inflated to the manufacturer’s recommended levels is crucial for both safety and performance. If the tire pressure is adequate, the issue may lie with a faulty tire pressure sensor, which could require replacement if it is malfunctioning. Additionally, the sensors may need recalibration, a process that can often be performed at home with the right tools or may require a visit to a BMW service center. Electrical faults within the tire pressure monitoring system can also trigger the warning light, necessitating a diagnostic check to pinpoint the problem. Lastly, external interference or obstructions around the sensors can disrupt their functionality, so keeping the area clean and free from debris is essential. By systematically addressing these potential issues, DIY enthusiasts can effectively troubleshoot the tire pressure warning light and ensure their BMW M8 Gran Coupe operates safely and efficiently.

What should I do if the tire pressure warning light on my 2020 BMW M8 Gran Coupe stays on?

When the tire pressure warning light on your 2020 BMW M8 Gran Coupe remains illuminated, it is crucial to act swiftly to avoid safety hazards and potential damage to your vehicle. Ignoring this warning can lead to decreased handling, increased tire wear, and even blowouts, which pose serious risks while driving. Start by checking the tire pressure of all four tires using a reliable gauge, ensuring they meet the manufacturer's recommended levels. If you find any tires underinflated, inflate them to the correct pressure immediately. Additionally, inspect each tire for visible damage, such as punctures or cuts, as these can compromise safety and performance. After making necessary adjustments, resetting the tire pressure monitoring system is essential to clear the warning light. If the light persists despite your efforts, it is advisable to consult a certified BMW technician to diagnose any underlying issues. By addressing the tire pressure warning light promptly, you not only enhance your vehicle's safety but also prolong the lifespan of your tires, ensuring a smoother and more secure driving experience.

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