Bosch MED9.1 ECU flashing. Bosch control unit. In the CHIPOK database — 36 modifications on Audi, Volkswagen, Seat and 4 more brands. Among the available operations: Stage 1/2 calibration, disabling EGR recirculation / AdBlue/SCR / CAT/Lambda / SAP / the EVAP system, removing the swirl-flap logic, the Pops & Bangs effect, disabling the speed limiter, software fault-code clearing, return to the original firmware and cold-start deactivation. Programmers: KESS3, Autotuner, MPPS, KTAG.
The Bosch MED9.1 is used across 7 brands: Audi (14), Volkswagen (11), Seat (6), KTM (2), Lamborghini (1). 36 engines in total in the database.
On the Bosch MED9.1 the following are available: STAGE 2, COLD START OFF, SAP OFF, NOx OFF, EGR OFF, FLAPS OFF, STAGE 1, DTC OFF, CAT/LAMBDA OFF, POP AND BANGS. All options combine in the calculator with the package Max Price cap.
To flash the Bosch MED9.1 the following is used: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. CHIPOK accepts .bin/.hex/.ori from any of the listed programmers.
Stage 1 on the petrol Bosch MED9.1 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Bosch MED9.1 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3, MPPS V21, PCMflash, BFlash. 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 MED9.1 file at CHIPOK — 5-30 minutes.
The price of Bosch MED9.1 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 €).