Bosch MED17.4.4 ECU chip tuning: Bosch petrol ECU on a Tricore core — TFSI/TSI/MED, direct injection. In the CHIPOK database this unit is found on Citroen, Peugeot and DS (19 modifications). Supported: Stage 1/2, removal of the EGR valve, SCR/AdBlue, the lambda sensors, the EVAP system, swirl-flap removal, Pops and Bangs, VMAX Off, DTC clearing, Reset to Stock, immobilizer deactivation and cold-start deactivation. Programmers: KESS3, KTAG, FoxFlash, BitBox, BDM100.
The Bosch MED17.4.4 unit is found on 19 different engines. Main brands: Citroen (9), Peugeot (6), DS (4).
On the Bosch MED17.4.4 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 MED17.4.4 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 MED17.4.4 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
The original bin/hex/ori is accepted after reading via KESS3, Autotuner, FoxFlash, KT200. Checksums are recalculated on the engineer's side.
OBD flashing of the Bosch MED17.4.4 — 25-30 minutes, Bench (if needed) — about an hour. The file processing itself takes 5-30 minutes after receipt.
The cost of a Bosch MED17.4.4 file is built in the calculator: you pick the operations you need (Stage 1, emissions removals, service operations) and the price is calculated with the package discount applied.