Autotuner Update BMW Land rover MG1CS221 Mail-in Unlocking

By | July 16, 2026

THE PINNACLE OF V8 TWIN-TURBO PERFORMANCE: Bosch MG1CS221 DME9 goes live on Bench after Mail-in Unlock !

Tuning for the absolute peak of modern 4.4L Twin-Turbo V8 powerplants hits a major milestone on your AutoTuner Tool! Take ultimate control over the most exclusive flagship vehicles from both Munich and Solihull.

From the brand-new 2024 BMW M5 to the ultra-exclusive Range Rover SV and the brutal new Defender OCTA, it’s time to unlock next-level performance upgrades for an elite luxury fleet!
Process: Bench (After Mail-in Unlock)
ECU Model: Bosch MG1CS221
Target Engines: 4.4 V8 M Competition, Range Rover P530/P615/P635 & Hybrid setups
Safety first: Full reading & flashing right on your workbench.

 

Advanced Workflow (Mail-in -Bench):

  • Mail-in Unlock: The ECU must first be sent to our headquarters for a secure hardware unlock by our specialized engineering team.
  • Bench: Once returned to your shop, software restrictions are gone. You gain unrestricted Bench access to safely read and write calibrations.

The Absolute Finest Lineup Covered:
BMW M Power: New M5 (2024), XM / Red Label, X5 M & X6 M Competition
BMW M60i MHEV: 7-Series, X5, X6, X7 M60i, Alpina XB7
Land Rover Luxury & SV: Range Rover L460 & Range Rover Sport L461 (P530, P615, P635)
Land Rover Special Forces: Brand-new Defender OCTA (2024+)
Just send the ECU to our facility for a secure hardware unlock. Once it’s back at your shop, confidently flash in Bench mode using your Tool!

Key Features:
Type: Engine Control Unit (ECU)
Mode: BENCH NR
MCU: TC389
Read time: 2min 30sec
Write time: 30sec
Checksums correction
Backup creation
Mail-in unlock needed

Compatibility List*:
BMW Models: 7-serie (2023) / M5 (2024) / X5 (2023) / X5 M (2023) / X6 (2023) / X6 M (2023) / X7 (2023) / Alpina XB7 (2023) / XM (2022)
BMW Engines: M60i MHEV / 4.4 V8 / 4.4 (M compet.) / 4.4 (XM Red Label) / 4.4 (XM)
Land Rover Models: Range Rover L460 P530 (2022) / Range Rover L460 P615 SV (2022) / Range Rover Sport L461 P530 (2022) / Range Rover Sport L461 P635 SV (2022) / Defender OCTA (2024)
Land Rover Engines: 4.4 V8 / 4.4 V8 MHEV
*The list may evolve over time.

autotuner bmw land rover mg1cs221