[Closed] 2009 BMW 128 i won’t accept new key - transponder issue?

897 views - Last reply: October 16, 2024
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Looking for my 2009 BMW 128 i's factory key code to program a key

Hello! We've developed a VIN-based tool to help you get your key code for the 2009 BMW 128 i. Check it out here: VIN Key Code Generator.

Replies (4)

Was about to tow my 2009 BMW 128 i. Let me try this first.

Appreciate any advice—my 2009 BMW 128 i won’t recognize the key.

Trying everything I can to get the key code for my 2009 BMW 128 i.

Just wanted to say this guide helped with my 2009 BMW 128 i!

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Security Systems
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
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You can buy fobs online, but: 1) Must match your exact model/year 2) Many still require professional programming 3) Cheap knockoffs may not work reliably. Some eBay/Amazon sellers offer programming instructions for DIY-friendly models.
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Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
Security Systems
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
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