Fix a dead BMW key with a new battery! A new key blank is almost $200, so lets just fix it! We take the key fob apart, replace the battery, and program BMW key to the car. We also reprogram 2 BMW keys in case you have more than one. Reprogram 3:38
This fix is for the 315 mhz diamond shaped key. Mine is a 2002 330i E46, but this should work for these BMW models if the key is the same style. 325Ci, 330Ci, 330xi, 530i, 645Ci, 745i, 745Li, 760i, 760Li, M3, X3, X5, Z4, 325i, 325xi, 525i, 545i, 330i, 540i, M5, Z8, Z3, 740i, 740iL, 750iL, 323Ci, 323i, 328Ci, 328i, 528i, 318ti, 323is

BMW E46 key fob programming
E46 remote key reprogramming
BMW key fob synchronization
E46 key fob reset
Programming BMW transponder key
BMW key fob battery replacement
E46 key fob not working
BMW key fob relearn procedure
E46 key fob initialization
BMW remote key coding
E46 key fob synchronization procedure
BMW key fob reprogramming DIY
Resetting BMW key fob
E46 key fob pairing
BMW key fob battery change
E46 keyless entry programming
Programming BMW smart key
E46 key fob coding instructions
BMW key fob troubleshooting
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These keywords should help you find relevant information, guides, and tutorials for reprogramming or troubleshooting your BMW E46 key fob. Always refer to your vehicle's manual and follow proper procedures to ensure a successful key fob reprogramming process.

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