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2003 BMW 525i Diamond Shape Key Testing

SKU: Key Diamond Testing

The ECU Pro offers professional 2003 BMW 525i key replacement service. It can be used for all keys lost situations or to make one replacement key. Our 2003 BMW 525i key replacement services are mail-in repairs and 100% plug-and-play.

TestingRecommended

$49.00
Interest-free installments available at checkoutShop Pay Logo
  • Comprehensive testing and diagnostic report on key.
  • Assessment for repair or replacement.
  • If no fault is found, we will return your existing key.
  • Keys are tested in live vehicles to ensure the key is fully-functional before return.
  • Return shipping is included in the testing price.
Order Testing
The ECU Pro offers professional 2003 BMW 525i key replacement service. It can be used for all keys lost situations or to make one replacement key. Our 2003 BMW 525i key replacement services are mail-in repairs and 100% plug-and-play.
  • All keys lost replacements
  • Replacement key
  • Vehicle not accepting the key

TestingRecommended

$49.00
Interest-free installments available at checkoutShop Pay Logo
  • Comprehensive testing and diagnostic report on key.
  • Assessment for repair or replacement.
  • If no fault is found, we will return your existing key.
  • Keys are tested in live vehicles to ensure the key is fully-functional before return.
  • Return shipping is included in the testing price.
Order Testing

Replacement

$250.00
Interest-free installments available at checkoutShop Pay Logo
  • Use if you have 1 working key.
  • Replacement key programmed and cut to work in your specific vehicle’s locks.
  • Keys are tested in live vehicles to ensure the key is fully-functional before return.
  • 100% plug-and-play solution, no other coding is required.
  • A replacement key is included in the price.
  • Return shipping is included in the price.
Order Replacement

All Keys Lost

$350.00
Interest-free installments available at checkoutShop Pay Logo
  • Use this service if all keys are lost
  • Replacement key programmed
  • DOES NOT INCLUDE KEY CUTTING
  • Keys are tested in live vehicles to ensure the key is fully-functional before return.
  • A replacement key is included in the price.
  • Return shipping is included in the price.
Order All Keys Lost

How 2003 BMW 525i replacement key mail-in repairs work?

The ECU Pro offers an affordable mail-in replacement key repair service. Our service is available if all keys are lost or if you require 1 replacement key.

If all keys are lost: Send your current ECU and your

If you have 1 working key: Send us your ECU and the working key.

Our mail-in service is 100% plug-and-play and doesn't require any additional coding.