News
Citroën Ami Tuning – 8 → 14 HP & VMAX up to 80 km/h, without opening the control unit
Short answer: Citroën Ami Tuning at Stefanel Performance removes the serial limit of 45 km/h to up to 80 km/h and increases power from 8 to 14 HP (39 →...
Fiat Topolino VCU3000 Tuning via Bench Mode – More Power & VMAX Unlock at Stefanel Performance
Short answer: Fiat Topolino VCU3000 Tuning at Stefanel Performance is done via Bench Mode without opening the housing — we are the only provider worldwide that can read and write...
VCU3000 – Worldwide exclusive to Stefanel Performance: Bench mode without opening the housing
Short answer: The VCU3000 is the central control unit in Fiat Topolino, Opel Rocks-e and Citroën Ami. Stefanel Performance is the only company worldwide that can read and write the...
Lamborghini Huracán Spyder – Stage 2 Tuning & US-to-EU Navigation Conversion at Stefanel Performance
Short answer: For the Lamborghini Huracán Spyder, we implemented a complete Stage 2 tuning including decat and converted the infotainment/navigation system from US to EU standard. Performance figures: 610 →...
🔒 Mercedes MD1 / MG1 ECU optimization from model year 2021 – Exclusively at Stefanel Performance
Short answer: From model year 2021, Mercedes uses highly protected MD1 and MG1 control units in many models, which can no longer be directly modified with common tools (KESS3, Flex,...
CONTINENTAL SID212 and SID212 EVO Read and Write - Unlock now available at Stefanel Performance
Short answer: We now offer unlocking for Continental SID212 and SID212 EVO control units — installed in many current Ford models from model year 2021 (e.g., Ranger T6, Transit MK9,...
BMW E-models: 6HP transmission optimization Stage 1–3 now possible remotely
Short answer: We flash ZF 6HP automatic transmissions in over 25 BMW E-models (320d, 330d, 335d, 530d, 535d, X5 35d, 545i, 550i, 750i, and many more) remotely via K+DCAN cable...
John Deere 6R 250 – VMAX increase to 50 km/h More driving dynamics for the most powerful 6R
Short answer: For the John Deere 6R 250 — the top model of the 6R series — we increase the factory Vmax from 40 km/h to 50 km/h; in practice,...
John Deere 6M 155 – VMAX increase from 40 to 50 km/h More speed, more efficiency – now also for the 6M 155
Short answer: We increase the Vmax of the John Deere 6M 155 via software from a factory-set 40 km/h to 50 km/h – in practice, up to 54 km/h are...
VMAX cancellation on the John Deere 6230R AutoPowr – More efficiency on the farm 54 km/h instead of 40 km/h: Get maximum performance out of the John Deere
Short answer: For the John Deere 6230R with AutoPowr transmission (stepless), we increase the factory Vmax from 40 km/h to 54 km/h — purely software-based, reversible, and without hardware intervention....
Original surround function unlocked: Land Rover Defender 2024 with 700 watt sound system
Short answer: With the 2024 Land Rover Defender with a retrofitted 700-watt Meridian amplifier, all speakers often fail to work after installation — the amplifier is physically installed, but not...
John Deere VMAX lift – More speed for your commercial vehicle
Short answer: Many John Deere tractors and utility vehicles are factory-limited to 40 or 50 km/h, even though more is technically possible. We remove the factory Vmax limit purely via...
