2020 BMW M5 Key Won't Turn

Troubleshooting Your 2020 BMW M5 Key That Won't Turn: Common Causes and Solutions

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Binding Steering Column/Lock
0%
27% chance it's the
Ignition Switch
0%
20% chance it's the
Ignition Key
0%
18% chance it's
Something else
The most common reasons a 2020 BMW M5 key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
  • Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
  • Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
  • Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, leading to starting issues.
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 steps to diagnose why the key won't turn in a 2020 BMW M5?

When faced with the frustrating issue of a key not turning in a 2020 BMW M5, it's essential to adopt a systematic diagnostic approach. Start by examining the key itself; a simple battery replacement for the key fob or testing a spare key can quickly rule out any key-related problems. Next, consider the steering wheel lock, which can sometimes engage and prevent the key from turning. Gently maneuvering the steering wheel while attempting to turn the key may help disengage this lock. Additionally, ensure that the gear shift is in the correct position, typically Park or Neutral, as many vehicles have safety mechanisms that inhibit key operation if the transmission is not properly set. It's also wise to check the car's battery; a weak or dead battery can lead to ignition issues. If these straightforward checks do not resolve the problem, the ignition switch itself may be at fault, necessitating further inspection or replacement by a qualified mechanic. By following this structured approach, you can effectively diagnose the issue and determine the best course of action to get your BMW M5 back on the road.

What are the common problems that could cause the key not to turn in a 2020 BMW M5?

When facing the frustrating issue of a key not turning in a 2020 BMW M5, it's essential to understand the common problems that could be at play. One frequent culprit is the steering wheel lock, which can engage if the wheel is turned while the vehicle is off, making it impossible to turn the key. Additionally, a faulty or damaged key may hinder ignition, so checking the key for any visible issues or replacing its battery could be a simple fix. Another area to inspect is the ignition cylinder, as dirt or debris can accumulate and obstruct the key's movement; cleaning this component might resolve the issue. Furthermore, if the key fob battery is dead or low, it may not be recognized by the ignition system, necessitating a battery replacement. Lastly, a malfunctioning ignition switch could also be the reason behind the key's refusal to turn, which may require professional inspection and repair. By systematically addressing these potential problems, drivers can effectively troubleshoot and resolve the key ignition issue in their BMW M5.

How urgent is it to address the issue of the key not turning in a 2020 BMW M5?

When faced with the frustrating issue of a key not turning in your 2020 BMW M5, it is crucial to act swiftly. This problem can lead to significant inconvenience, as it may prevent you from starting your vehicle and disrupt your daily activities. More importantly, if the key is stuck due to a mechanical failure, it could escalate into a safety hazard while driving, potentially leaving you stranded or unable to respond effectively in critical situations. Additionally, ignoring this issue can result in further damage to the ignition system or key mechanism, leading to more extensive and costly repairs. Therefore, it is advisable to seek professional assistance promptly to diagnose and resolve the problem, ensuring your vehicle remains safe and functional. Addressing the key issue without delay not only enhances your driving experience but also safeguards your investment in your BMW M5.

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