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Chiptuning files » ECU and TCU » Bosch MD1CS014 » Cold start off - Catalyst heating off

Cold start off - Catalyst heating off for Bosch MD1CS014

The catalyst-heating phase after a cold start (raised idle, retarded ignition) is removed.

Cold start off - Catalyst heating off files for vehicles with Bosch MD1CS014

27 of the 84 vehicles with this unit

VehicleGenerationFuelPower
A4 50 TDI (3.0D)B9 Facelift II 09/2019 2025Diesel (mild hybrid)286 hp
A4 50 TDI (3.0D) (2019 - 2020)B9 Facelift II 09/2019 2025Diesel (mild hybrid)286 hp
A4 50 TDI (3.0D) (2020 - 2023)B9 Facelift II 09/2019 2025Diesel (mild hybrid)286 hp
A4 S5 3.0 Bi-TDI (2020 - 2023)B9 Facelift II 09/2019 2025Diesel341 hp
A4 S4 3.0 Bi-TDI (2020 - 2023)B9 Facelift II 09/2019 2025Diesel (mild hybrid)341 hp
A4 SQ5 3.0 Bi-TDIB9 Facelift II 09/2019 2025Diesel347 hp
A4 S4 3.0 Bi-TDI (2019 - 2020)B9 Facelift II 09/2019 2025Diesel (mild hybrid)347 hp
A4 45 TDI (3.0D) (2019 - 2019)B9 Facelift 2018 2019Diesel231 hp
A4 50 TDI (3.0D) (2019 - 2019)B9 Facelift 2018 2019Diesel286 hp
A4 S4 3.0 Bi-TDIB9 07/2015 2018Diesel (mild hybrid)347 hp
A5 45 TDI (3.0D)F5 Facelift 2019 2025Diesel231 hp
A5 45 TDI (3.0D) (2019 - 2020)F5 Facelift 2019 2025Diesel231 hp
A5 S TDI (3.0D)F5 Facelift 2019 2025Diesel347 hp
A5 S5 3.0 Bi-TDI (2019 - 2020)F5 Facelift 2019 2025Diesel (mild hybrid)347 hp
A5 45 TDI (3.0D) (2019 - 2019)F5 2016 2019Diesel231 hp
A5 S5 3.0 Bi-TDIF5 2016 2019Diesel (mild hybrid)347 hp
A6 S6 3.0 Bi-TDIC8 Facelift 06/2023 2025Diesel (mild hybrid)344 hp
A6 S6 3.0 Bi-TDI (2020 - 2023)C8 07/2018 2023Diesel (mild hybrid)344 hp
A6 S TDI (3.0D)C8 07/2018 2023Diesel349 hp
A6 55 TDI (3.0 Bi-TDI) (2019 - 2020)C8 07/2018 2023Diesel349 hp
A6 S6 3.0 Bi-TDI (2019 - 2020)C8 07/2018 2023Diesel (mild hybrid)349 hp
A7 45 TDI (3.0D)C8 Facelift 2023Diesel (mild hybrid)245 hp
A7 S7 3.0 Bi-TDIC8 Facelift 2023Diesel (mild hybrid)344 hp
A7 45 TDI (3.0D) (2020 - 2023)C8 2017 2023Diesel245 hp
A7 S7 3.0 Bi-TDI (2020 - 2023)C8 2017 2023Diesel (mild hybrid)344 hp
A7 S TDI (3.0D)C8 2017 2023Diesel349 hp
S6 S TDI (3.0D)C8 2019 2023Diesel349 hp

Other modifications for Bosch MD1CS014

Engine performance

Stage 1Stage 2 BASEStage 3 BASEFlex fuel mod for E85 or other fuel typesOil Pressure Mod

Sound and driving

Hardcut Popcorn limiter for dieselExhaust flap control/offStart/Stop System OffVMAX speedlimit on/off higher/lowerIdle RPM Mod

Deactivations and fixes

DTC offCatalyst offDPF/OPF/GPF offEGR offAdBlue offSwirl flaps offTVA offAGS offReadiness okHot start fixCVN correctionChecksum CorrectionSmoke test fix
Results vary per vehicle, and what is possible can differ per software version. This applies to every modification we deliver, for the ECU and for the TCU. Upload your original file to check what is available for your vehicle.
For motorsport and off-road use. Check the rules in your country before using this on public roads.

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