What to Do If You Lose Your BMW Car Key?

2 Answers
ValentinaAnn
07/29/25 6:48am
Solutions for losing a BMW car key are as follows: 1. Make every effort to find it, such as placing newspaper ads, seeking radio announcements, or posting on forums, while ensuring vehicle security during this period. 2. Use the spare key to unlock the vehicle and visit a 4S store to deactivate the lost key. 3. Use the password key to reconfigure a new one at a 4S store, requiring the purchase invoice, original purchase documents, vehicle registration certificate, and the owner's identification for configuration at the dealership where the car was purchased. 4. Utilize the VIN code, a 17-digit anti-theft password, which can be provided directly to the 4S store for key reconfiguration.
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DelClara
08/12/25 10:11am
Last time I lost my BMW car key, I was so anxious that I immediately called the BMW customer service hotline for help. The customer service representative suggested that I first confirm the key was indeed lost and not misplaced. Then, it was crucial to address the anti-theft issue promptly, as the old key could potentially be used by malicious individuals to unlock the car. Visiting the nearest BMW 4S store was the safest approach, as they could reprogram the key system. The cost was approximately two to three thousand yuan, which included the new key and installation. I also checked the location of my spare key, which I usually keep in the home safe. Although the process was a bit expensive, it was worth it for the sake of security. By the way, BMW's smart keys use wireless signals and have built-in chips, which contribute to the high replacement cost. For prevention, purchasing a Bluetooth tracker is quite practical.
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