Esys Ultra New May 2026

The MGU21 uses a new security chip (Secure Hardware Extension 2.0). Standard ESYS cannot write the btld (Bootloader). Esys Ultra New contains a patched transmitter.efx file that bypasses the bootloader signature check, allowing cross-region navigation activation.

Tested on a 2022 BMW G20 (ID7 MGU21) with 1 Gbps ENET connection: esys ultra new

| Operation | E-Sys 3.30 | ESYS Ultra | |-----------|------------|-------------| | Read FA from vehicle | 4.2 sec | 1.1 sec | | Read SVT (all ECUs) | 18.5 sec | 5.3 sec | | FDL code: BDC_Body (single change) | 12 sec write | 4 sec write | | Flash HU-MGU (2.4 GB) | 22 min | 18 min (optimized chunk size) | | Generate TAL from PSdZData | 45 sec | 9 sec (parallel XML parsing) | The MGU21 uses a new security chip (Secure

Example: Enable 6WB digital cluster