Lonsdor K518 Pro Update BMW BDC3 VAG MQB49 5C 5D Function

In February 2026, Lonsdor released a major update for K518 Pro series. This update introduces key programming support for BMW G/U chassis modules (BDC2, BDC3, BCP, LCD) and adds key addition functionality for VAG MQB49 5C and 5D systems.

This article covers licensing requirements, credit usage, SFD unlocking, and compatible hardware.

 

  1. License Activation Requirements

For Lonsdor K518 Pro Full Version (Annual Subscription):

  • If your device has an active annual subscription, no additional license activation is required.
  • If your subscription has expired, simply renew it to regain access to these functions.

For Lonsdor K518 Pro FCV Users:

Unlike the full version, FCV users must activate licenses separately for:

  • BMW BDC2/BDC3/BCP/LCD
  • VAG MQB49 5C/5D

 

  1. Available Licenses & Credits

BMW BDC2/BDC3/BCP/LCD License

  • Includes 160 credits (~$23 USD)
  • Previously purchased BMW BDC2/3/BCP licenses (valued at $30) have been automatically upgraded to include LCD support.

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VW 5C/5D & AUDI/PORSCHE 5D License

  • Includes 160 credits (Approx. $23 USD)
  • Credits are used to read/copy OEM key data.
  • Purchase additional credits through authorized distributors or swap points via the Lonsdor APP (100:1 ratio).

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Credit Usage Notes:

Credits are required for both K518 PRO FCV and Full version users to:

  • Read encrypted OEM data from BDC2 modules
  • Generate dealer keys for MQB49 5C/5D systems

10% of credits used are earned back per successful operation (1 free use for every 10 paid uses).

Functions marked with a red credit icon indicate that credits are required to proceed.

lonsdor k518 pro update bmw vag 5c 5d function 3 lonsdor k518 pro update bmw vag 5c 5d function 4

 

  1. SFD Security Gateway Unlock (2023+ VAG Models)

Lonsdor supports unlocking the SFD (SFD) security gateway on newer VAG vehicles (2023+). However, users must obtain the required unlock code from a third-party provider. This code is not generated by Lonsdor K518 Pro itself.

 

  1. Key & Hardware Compatibility

Recommended Keys:

  • For optimal results, use original OEM keys for BDC2/BDC3 and MQB49 5C/5D systems.

Required Adapters:

lonsdor k518 pro update bmw vag 5c 5d function 5

Important:

Third-party clip adapters are not compatible with Lonsdor devices. Only official Lonsdor solder-free adapters should be used.

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