Bosch MED17.5.21 calibration — Bosch petrol ECU on a Tricore core — TFSI/TSI/MED, direct injection. Supported: Stage 1/2 — power tuning, software removal of EGR · AdBlue · catalyst control · EVAP, disabling the intake flaps, Pops & Bangs, speed limit removal, DTC removal, return to stock, IMMO bypass and Cold Start Off on 103 modifications on Volkswagen, Skoda, Seat and 1 more brands. Reading via KESS3 / KTAG / Autotuner / MagicMotorSport.
The Bosch MED17.5.21 ECU is fitted to 103 engines in the CHIPOK database across 4 brands. Top: Volkswagen (37), Skoda (25), Seat (23), Audi (18).
The Bosch MED17.5.21 ECU supports: STAGE 2, COLD START OFF, NOx OFF, EGR OFF, STAGE 1, FLAPS OFF, VMAX OFF, DTC OFF, POP AND BANGS, IMMO OFF. Checksums are recalculated on the engineer's side in WinOLS5.
The Bosch MED17.5.21 is supported by: KESS3 (OBD bootloader), Autotuner, MPPS V21, KTAG (Bench for Tricore), Trasdata, CMD Flash. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the petrol Bosch MED17.5.21 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
A Bosch MED17.5.21 file is accepted in .bin/.hex/.ori format (full read) from any programmer: KESS3 / Autotuner / CMD Flash / FGTech Galletto. Checksums are recalculated by hand in WinOLS5.
Flashing the Bosch MED17.5.21 takes 25-30 minutes in OBD mode or ~60 minutes on Bench. Once the file is received, CHIPOK processes it in 5-30 minutes.
The cost of flashing the Bosch MED17.5.21 is calculated in the price calculator: you select options (Stage 1/2, DPF off, EGR off, AdBlue off, DTC off, etc.) and the final price is capped by the package Max Price. Paid with credits (1 cr = 1 €), no subscriptions.