Bosch petrol ECU on a Tricore core — TFSI/TSI/MED, direct injection — found on Volkswagen, Audi, Skoda and 1 more brands (17 modifications). On the Bosch MED17.2.5, CHIPOK performs Stage 1/2 — power tuning, software removal of EGR / AdBlue / catalyst control / EVAP, disabling the intake flaps, the Pops & Bangs effect, speed limit removal, DTC removal, return to stock, IMMO Off and Cold Start Off. Flashing is done via KESS3 / Autotuner / CMD Flash / FGTech Galletto.
The Bosch MED17.2.5 is used across 4 brands: Volkswagen (8), Audi (4), Skoda (4), Seat (1). 17 engines in total in the database.
The Bosch MED17.2.5 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 MED17.2.5 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 MED17.2.5 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Bosch MED17.2.5 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3 / KTAG / Autotuner / MagicMotorSport. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a Bosch MED17.2.5 file at CHIPOK — 5-30 minutes.
The price of Bosch MED17.2.5 calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).