2021 BMW X1 Tire Pressure Warning Light Stays On

Troubleshooting the Persistent Tire Pressure Warning Light in Your 2021 BMW X1: 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 2021 BMW X1 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 2021 BMW X1 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 2021 BMW X1?

To effectively diagnose the tire pressure warning light issue in your 2021 BMW X1, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that the readings align with the recommended levels found in your vehicle's manual, as incorrect pressure is a common trigger for the warning light. Next, inspect each tire for visible damage, such as punctures, cuts, or bulges, which could indicate a leak or other issues. If the tires appear to be in good condition, proceed to reset the tire pressure monitoring system following the specific instructions in your owner's manual, as this can sometimes resolve temporary alerts. After making any necessary adjustments, take your vehicle for a short drive; the system may need to recalibrate itself to turn off the warning light. If the light remains illuminated despite these efforts, it may signal a more serious underlying problem, and visiting a qualified mechanic or authorized BMW service center for a professional diagnosis is advisable. By systematically addressing these steps, you can effectively troubleshoot the tire pressure warning light issue in your BMW X1.

What could be causing the tire pressure warning light to stay on in a 2021 BMW X1?

When the tire pressure warning light remains illuminated in your 2021 BMW X1, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is low tire pressure, which is easily rectified by checking and inflating your tires to the manufacturer’s recommended levels. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor; these sensors can malfunction and may require replacement or recalibration. Additionally, some sensors are battery-operated, and if the batteries are running low, this could also trigger the warning light. Inspecting the wiring and connections to the tire pressure monitoring system is another critical step, as damaged or loose connections can lead to persistent alerts. Seasonal temperature changes can also impact tire pressure, so it’s essential to adjust your tire inflation accordingly. Lastly, if all else fails, the system may need recalibration, which typically requires professional equipment. By systematically addressing these common issues, you can often resolve the warning light concern without needing to visit a mechanic.

What should I do if the tire pressure warning light stays on in my 2021 BMW X1?

When the tire pressure warning light stays illuminated in your 2021 BMW X1, it is essential to act quickly to avoid safety hazards and potential vehicle damage. Neglecting this warning can lead to decreased traction, increased tire wear, and even costly repairs down the line. Begin by checking the tire pressure in all four tires, including the spare, using a reliable gauge to ensure they align with the manufacturer's recommended levels. If you discover any underinflated tires, inflate them to the correct PSI to improve both performance and safety. Additionally, conduct a thorough inspection of the tires for any signs of damage, such as punctures or bulges, which can significantly affect your vehicle's handling. After making the necessary adjustments, you may need to reset the tire pressure monitoring system to clear the warning light. If the light remains on despite your efforts, it is wise to seek assistance from a certified BMW technician, as there could be underlying issues with the monitoring system that require professional diagnosis. By addressing the tire pressure warning light promptly, you not only enhance your vehicle's performance but also ensure a safer driving experience.

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