Bosch MED17.4: Bosch petrol ECU on a Tricore core — TFSI/TSI/MED, direct injection. Stage 1/2 for power, removal from the logic of the EGR system, the AdBlue system, the catalytic converter/lambda, EVAP, disabling the swirl flaps, Pops and Bangs, Speed Limit Off, DTC Off, rollback to the factory calibration, immobilizer deactivation and Cold Start Off — Autotuner, KESS3 (OBD), KTAG (bench), Trasdata. In the database — 45 modifications on Citroen, Peugeot and DS.
The Bosch MED17.4 unit is found on 45 different engines. Main brands: Citroen (19), Peugeot (18), DS (8).
The Bosch MED17.4 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 MED17.4 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 MED17.4 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 Autotuner, MPPS, MagicMotorSport, KT200, FoxFlash. Checksums are recalculated on the engineer's side.
OBD flashing of the Bosch MED17.4 — 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 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.