Siemens/Continental MDS81 ECU chip tuning: Siemens/Continental control unit. In the CHIPOK database this unit is found only on BMW (9 modifications). Supported: Stage 1/2 Project-Id-Version: ECUTools Online 1.0 Report-Msgid-Bugs-To: POT-Creation-Date: 2026-07-01 14:20+0300 PO-Revision-Date: 2025-01-02 12:00+0000 Last-Translator: Language: en Language-Team: English Plural-Forms: nplurals=2; plural=(n != 1); MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Generated-By: Babel 2.18.0, removal of the EGR valve / SCR/AdBlue / the lambda sensors / the EVAP system, swirl-flap removal, the Pops & Bangs effect, VMAX Off, DTC clearing, Reset to Stock, IMMO Off and cold-start deactivation. Programmers: KESS3, KTAG, FoxFlash, BitBox, BDM100.
The Siemens/Continental MDS81 is used across 1 brand: BMW (9). 9 engines in total in the database.
On the Siemens/Continental MDS81 the following are available: STAGE 2, COLD START OFF, NOx OFF, EGR OFF, STAGE 1, FLAPS OFF, VMAX OFF, DTC OFF, POP AND BANGS, IMMO OFF. All options combine in the calculator with the package Max Price cap.
To flash the Siemens/Continental MDS81 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 Siemens/Continental MDS81 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Siemens/Continental MDS81 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3, Autotuner, FoxFlash, KT200. 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 MDS81 file at CHIPOK — 5-30 minutes.
The price of Siemens/Continental MDS81 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 €).