Siemens/Continental SIMOS ECU — VAG group petrol engines (TSI/TFSI, FSI) — found on Audi, Volkswagen, Seat and 2 more brands (28 modifications). On the Siemens/Continental Simos12.1, CHIPOK performs Stage 1/2 — power tuning, software removal of EGR / AdBlue / catalyst control / EVAP, disabling the intake flaps, the Pops & Bangs effect, speed limit removal, DTC removal, return to stock, IMMO Off and Cold Start Off. Flashing is done via KESS3 / Autotuner / CMD Flash / FGTech Galletto.
The Siemens/Continental Simos12.1 is used across 5 brands: Audi (12), Volkswagen (8), Seat (4), Skoda (3), Cupra (1). 28 engines in total in the database.
The Siemens/Continental Simos12.1 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 Siemens/Continental Simos12.1 is supported by: KESS3, Autotuner, Magic Magpro2 (Bench), KTAG. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the petrol Siemens/Continental Simos12.1 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Siemens/Continental Simos12.1 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3 / KTAG / Autotuner / MagicMotorSport. 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 Siemens/Continental Simos12.1 file at CHIPOK — 5-30 minutes.
The price of Siemens/Continental Simos12.1 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 €).