2022 BMW M850i XDrive Gran Coupe Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2022 BMW M850i xDrive Gran Coupe: Causes and Solutions

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Reviewed by
Andrew Hajjar
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 2022 BMW M850i xDrive 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 2022 BMW M850i xDrive 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 steps should I take to diagnose the tire pressure warning light issue in my 2022 BMW M850i xDrive Gran Coupe?

To effectively diagnose the tire pressure warning light issue in your 2022 BMW M850i xDrive Gran Coupe, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. It's crucial to ensure that the pressure aligns with the manufacturer's specifications, which can typically be found in your owner's manual or on a label located inside the driver's side door jamb. Next, inspect each tire for any visible signs of damage, such as punctures, cuts, or bulges, as these can lead to pressure loss and trigger the warning light. If the tire pressure is correct and no damage is evident, consider resetting the tire pressure monitoring system (TPMS), as it may require recalibration. Instructions for this reset can be found in your vehicle's manual. If the warning light remains illuminated despite these efforts, it may be time to consult a professional mechanic or a BMW dealership for a more in-depth diagnosis and repair. By following this systematic approach, you can efficiently address the tire pressure warning light issue and ensure your vehicle's safety and performance.

What could cause the tire pressure warning light to stay on in a 2022 BMW M850i xDrive Gran Coupe?

When the tire pressure warning light remains illuminated in your 2022 BMW M850i xDrive Gran Coupe, it’s crucial to understand the common problems that could be at play. The most frequent culprit is low tire pressure, which can easily be checked with a tire pressure gauge. Ensure all tires are inflated to the manufacturer’s recommended levels, as even a slight deficiency can trigger the warning light. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor; these sensors can malfunction and may require replacement to restore proper functionality. Additionally, sensor calibration issues can arise, necessitating a recalibration through the vehicle's onboard system or professional assistance. Electrical or wiring problems within the tire pressure monitoring system can also lead to persistent warning lights, so a thorough inspection of these components is advisable. Lastly, be mindful of temperature fluctuations, as extreme changes can impact tire pressure readings, potentially causing the warning light to activate. By systematically addressing these common issues, you can effectively troubleshoot and resolve the tire pressure warning light concern in your BMW.

How urgent is it to address the tire pressure warning light on my 2022 BMW M850i xDrive Gran Coupe?

Addressing the tire pressure warning light on your 2022 BMW M850i xDrive Gran Coupe is not just a matter of convenience; it is a critical safety concern that requires immediate attention. Ignoring this warning can lead to compromised vehicle handling, especially in high-performance situations where precision is key. Underinflated tires can cause uneven wear, reducing their lifespan and negatively impacting fuel efficiency, which can add unnecessary costs over time. Moreover, the risk of tire blowouts increases significantly with low tire pressure, posing a serious danger to you and other road users. To ensure your vehicle remains safe and performs optimally, it is essential to check your tire pressure regularly and make adjustments as needed. By taking these proactive steps, you can maintain the integrity of your BMW and enjoy a safer driving experience.

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