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: SAP OFF, STAGE 2, COLD START OFF, CHECK STOCK OR NOT, NOx OFF, EGR OFF, FLAPS OFF, STAGE 1, DTC OFF, VMAX OFF. 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 €).