Bosch MED17.5.20 — Bosch petrol ECU on a Tricore core — TFSI/TSI/MED, direct injection. Found on Volkswagen, Seat, Skoda and 1 more brands — 27 modifications in our database. Available tuning options: Stage 1/2 calibration, disabling EGR recirculation · AdBlue/SCR · CAT/Lambda · the EVAP system, removing the swirl-flap logic, Pops & Bangs, disabling the speed limiter, software fault-code clearing, return to the original firmware, IMMO bypass and cold-start deactivation. Reading and writing via KESS3, MPPS V21, PCMflash, BFlash.
The Bosch MED17.5.20 ECU is fitted to 27 engines in the CHIPOK database across 4 brands. Top: Volkswagen (11), Seat (8), Skoda (5), Audi (3).
On the Bosch MED17.5.20 the following are available: STAGE 2, COLD START OFF, NOx OFF, EGR OFF, STAGE 1, FLAPS OFF, VMAX OFF, DTC OFF, POP AND BANGS, IMMO OFF. All options combine in the calculator with the package Max Price cap.
To flash the Bosch MED17.5.20 the following is used: KESS3 (OBD bootloader), Autotuner, MPPS V21, KTAG (Bench for Tricore), Trasdata, CMD Flash. CHIPOK accepts .bin/.hex/.ori from any of the listed programmers.
Stage 1 on the petrol Bosch MED17.5.20 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
A Bosch MED17.5.20 file is accepted in .bin/.hex/.ori format (full read) from any programmer: KESS3, Autotuner, MPPS, KTAG. Checksums are recalculated by hand in WinOLS5.
Flashing the Bosch MED17.5.20 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 MED17.5.20 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.