2020 BMW Alpina B7 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2020 BMW Alpina B7: 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 2020 BMW Alpina B7 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 Alpina B7 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.

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 a persistent tire pressure warning light on a 2020 BMW Alpina B7?

To effectively diagnose a persistent tire pressure warning light on your 2020 BMW Alpina B7, start by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels, as low pressure is a frequent culprit. 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, proceed to reset the tire pressure monitoring system following the instructions in your vehicle's manual; this can sometimes resolve the issue. Additionally, examine the valve stems for any leaks or damage that might be affecting the tire pressure readings. If the warning light remains illuminated, using a diagnostic tool to scan for fault codes related to the tire pressure monitoring system can help identify any underlying issues. Finally, check the functionality of the tire pressure sensors to ensure they are accurately transmitting data. If these steps do not resolve the warning light, it may be time to consult a professional mechanic for further diagnosis and repair.

What could be causing the tire pressure warning light to remain on in a 2020 BMW Alpina B7?

When the tire pressure warning light remains illuminated in your 2020 BMW Alpina B7, it can be a source of concern, but understanding the common problems can help you address the issue. One of the primary reasons for the warning light is low tire pressure, which can easily be checked with a tire pressure gauge. Ensure that all tires are inflated to the manufacturer's recommended levels, as even a slight drop can trigger the warning. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may require replacement or recalibration. Additionally, some sensors are battery-operated, and if the batteries are dead, they will need to be replaced. Environmental factors such as extreme temperatures or rough driving conditions can also affect tire pressure readings, so it's wise to inspect your tires after such events. If you've checked all these factors and the light persists, recalibrating the tire pressure monitoring system according to the manufacturer's guidelines may resolve the issue. However, if the problem continues, seeking assistance from a certified mechanic or your local BMW dealership is recommended to ensure your vehicle's safety and performance.

What immediate steps should be taken to address the tire pressure warning light on a 2020 BMW Alpina B7?

When the tire pressure warning light illuminates on your 2020 BMW Alpina B7, it is crucial to act promptly to avoid potential safety hazards and costly repairs. Ignoring this warning can lead to decreased vehicle performance, increased tire wear, and even tire blowouts, which pose serious risks while driving. Start by checking the tire pressure of all four tires with a reliable gauge, ensuring they meet the manufacturer's specifications found in your owner's manual or on the door jamb. If you discover any tires are underinflated, inflate them to the correct levels using an air compressor or portable inflator. Additionally, inspect each tire for visible damage such as punctures or bulges, as these issues may necessitate tire replacement. Once you have addressed any pressure discrepancies or damage, it is essential to reset the Tire Pressure Monitoring System (TPMS) to ensure accurate readings moving forward. By taking these immediate steps, you not only enhance your safety on the road but also prolong the life of your tires and maintain the overall performance of your BMW Alpina B7.

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2020 BMW Alpina B7 Tire Pressure Warning Light Issues