Siemens/Continental MS43: Siemens/Continental control unit. Stage 1/2 for power, removal from the logic of the EGR system, the AdBlue system, the catalytic converter/lambda, the SAP system, EVAP, disabling the swirl flaps, Pops and Bangs, Speed Limit Off, DTC Off, rollback to the factory calibration and Cold Start Off — Autotuner, KESS3 (OBD), KTAG (bench), Trasdata. In the database — 12 modifications only on BMW.
The Siemens/Continental MS43 unit is found on 12 different engines. Main brands: BMW (12).
The Siemens/Continental MS43 ECU supports: SAP OFF, STAGE 2, COLD START OFF, NOx OFF, EGR OFF, FLAPS OFF, STAGE 1, DTC OFF, VMAX OFF, POP AND BANGS. Checksums are recalculated on the engineer's side in WinOLS5.
The Siemens/Continental MS43 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 Siemens/Continental MS43 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 Siemens/Continental MS43 — 25-30 minutes, Bench (if needed) — about an hour. The file processing itself takes 5-30 minutes after receipt.
The cost of a Siemens/Continental MS43 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.