Bosch MEV17.4: Bosch control unit. 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, the Pops & Bangs effect, Speed Limit Off, DTC Off, rollback to the factory calibration, IMMO Off and Cold Start Off — Autotuner, KESS3 (OBD), KTAG (bench), Trasdata. In the database — 24 modifications on Citroen, Peugeot and DS.
The Bosch MEV17.4 is used across 3 brands: Citroen (13), Peugeot (9), DS (2). 24 engines in total in the database.
The Bosch MEV17.4 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 MEV17.4 is supported by: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the petrol Bosch MEV17.4 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Bosch MEV17.4 calibration requires a full read of the unit — bin/hex/ori. Programmers: Autotuner, MPPS, MagicMotorSport, KT200, FoxFlash. 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 MEV17.4 file at CHIPOK — 5-30 minutes.
The price of Bosch MEV17.4 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 €).