[It Worked!] Verify BMW M3 key code before paying dealer

802 views - Last reply: January 26, 2025
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Trying to program a spare key - where's the key code on my BMW M3?

Hello! We've developed a VIN-based tool to help you get your key code for the BMW M3. Check it out here: VIN Key Code Generator.

Replies (5)

Using this on my BMW M3 now. Hope it works.

Hope I’m not too late to try this on my BMW M3.

Still looking for a reliable way to find the key code on my BMW M3.

Can confirm it worked for my 2013 BMW M3.

If this works for my BMW M3, I owe you big time.

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Common questions about key programming, fob issues, and replacement options

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Locksmiths are typically 30-50% cheaper than dealerships for key replacement and programming. However, some newer models (especially luxury brands) may require dealer-only programming tools. Always get quotes from both.
Key Tip: Newer cars often require dealer programming for first key replacement
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Common causes: dead battery (most common), water damage, internal circuit damage, or the fob lost synchronization with your car. Try replacing the battery first. If that doesn't help, the fob may need reprogramming or replacement.
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Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
Lost Keys
Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
Key Fact: Key fob batteries typically last 3-4 years with normal use

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