2021 BMW I3 Speedometer Isn't Working

Troubleshooting Common Issues with the Speedometer in Your 2021 BMW i3 and How to Fix Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Vehicle Speed Sensor (VSS)
0%
28% chance it's the
Speedometer
0%
23% chance it's the
Electrical Issue
0%
14% chance it's
Something else
The most common reasons a 2021 BMW i3 speedometer isn't working are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue.
  • Vehicle Speed Sensor (VSS): A faulty vehicle speed sensor can result in inaccurate speed readings and erratic transmission shifting.
  • Speedometer: A faulty speed sensor or a broken connection in the speedometer circuit can result in inaccurate speed readings.
  • Electrical Issue: A blown fuse or a short circuit in the wiring can cause various electrical issues in the vehicle's systems.
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.

What are the initial diagnostic steps to take when the speedometer of a 2021 BMW i3 is not functioning?

When faced with a malfunctioning speedometer in a 2021 BMW i3, it's essential to adopt a systematic diagnostic approach to efficiently identify the problem. Start by checking the fuse box for any blown fuses related to the speedometer or instrument cluster, as this is a straightforward fix that can often resolve the issue. Next, inspect the speed sensor, which is crucial for accurate speed readings; ensure it is clean and free from damage. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues, guiding your next steps. Additionally, examine the wiring and connections associated with the speedometer, looking for any signs of wear or corrosion that could disrupt functionality. Finally, testing the instrument cluster itself can help determine if the problem lies within the speedometer or if it is part of a larger issue affecting the entire cluster. By following this methodical approach, you can effectively troubleshoot and potentially resolve the speedometer malfunction in your BMW i3.

What are the common problems that could cause the speedometer to stop working in a 2021 BMW i3?

When your 2021 BMW i3's speedometer stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty speed sensor, which is responsible for relaying speed data to the speedometer. If this sensor malfunctions, you may experience inaccurate readings or a complete failure of the speedometer. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the power supply to the speedometer, leading to similar problems. Another potential issue lies within the instrument cluster itself; if there are malfunctions in this component, it can prevent the speedometer from displaying the correct information. Furthermore, the vehicle speed sensor, which works in tandem with the speedometer, may also be faulty, causing discrepancies in speed readings. Lastly, don’t overlook the possibility of a software glitch, as bugs in the car's system can occasionally interfere with the speedometer's performance. By identifying these common problems, you can take the necessary steps to troubleshoot and resolve the issue, ensuring your vehicle operates safely and accurately.

How urgent is it to repair the non-functioning speedometer in my 2021 BMW i3?

Addressing the non-functioning speedometer in your 2021 BMW i3 is not just a matter of convenience; it is a critical issue that requires immediate attention. A malfunctioning speedometer can lead to legal complications, as driving without a working speedometer is against the law and can result in fines. More importantly, it poses significant safety risks, as you may struggle to maintain a safe driving speed, increasing the likelihood of accidents. Additionally, the speedometer plays a vital role in monitoring your vehicle's performance; ignoring this issue could indicate deeper mechanical problems that may compromise your BMW's overall functionality. Lastly, if you plan to sell your vehicle in the future, a non-functioning speedometer can diminish its resale value, making it less appealing to potential buyers. Therefore, it is crucial to prioritize the repair of your speedometer to ensure compliance, safety, and the longevity of your vehicle's performance and value.

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2021 BMW i3 Speedometer Not Working: Causes & Repairs