[Solution] All 2020 BMW i8 keys lost - how to reset immobilizer?

4252 views - Last reply: September 14, 2024
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How do I get the key code to program a new key for my 2020 BMW i8?

Hello! We've developed a VIN-based tool to help you get your key code for the 2020 BMW i8. Check it out here: VIN Key Code Generator.

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My 2020 BMW i8 needs a new key but I need the code first. Help!

Bookmarking this for when I work on my 2020 BMW i8 this weekend.

Wish I found this thread before towing my 2020 BMW i8.

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

Key Fob Issues
This typically indicates: weak fob battery (replace first), damaged fob antenna, or issues with your car's receiver (often in the door handle or rearview mirror). Environmental interference from other electronics can also reduce range.
Key Fob Issues
Many cars have a resync procedure: 1) Press lock/unlock buttons while near the car 2) Insert key and turn ignition on/off in a specific pattern 3) Use a sequence of button presses. Check your manual for exact steps - procedures vary widely by manufacturer.
Security Systems
Some systems reset by: 1) Disconnecting battery for 15+ minutes 2) Using original keys in specific sequences 3) Professional diagnostic reset. Consult your manual - procedures vary. Persistent issues may require dealer-level tools.
Key Fob Issues
This typically indicates: weak fob battery (replace first), damaged fob antenna, or issues with your car's receiver (often in the door handle or rearview mirror). Environmental interference from other electronics can also reduce range.
Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
Key Fact: Key programming typically takes 15-30 minutes for professionals

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