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, DTC OFF, CAT/LAMBDA OFF, POP AND BANGS, EVAP 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.