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