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Chiptuning files » Solutions » Flex fuel mod for E85 or other fuel types » Audi » A4

Flex fuel mod for E85 or other fuel types for Audi A4

The engine adapts to the fuel that is in the tank, from petrol to E85 and any blend in between. This is not a fixed E85 calibration. 55 engines.

Audi A4 engines with Flex fuel mod for E85 or other fuel types

EngineGenerationFuelStockECURead tools
35 TFSI (2.0T) (2020 - 2025)B9 Facelift II 09/2019 2025Petrol (mild hybrid)150 hpBosch MED17.1.61, Bosch MG1CS001, Bosch MG1CS031FLEX
35 TFSI (2.0T) (2019 - 2020)B9 Facelift II 09/2019 2025Petrol (mild hybrid)150 hpBosch MED17.1.61, Bosch MG1CS001, Bosch MG1CS031FLEX
40 TFSI (2.0T) (03/2021 - ...)B9 Facelift II 09/2019 2025Petrol190 hpBosch MED17.1.10, Bosch MG1CS001, Bosch MG1CS031, Bosch MG1CS111FLEX
40 TFSI (2.0T) (2019 - 2020)B9 Facelift II 09/2019 2025Petrol190 hpBosch MED17.1.10, Bosch MG1CS001, Bosch MG1CS031, Bosch MG1CS111FLEX
45 TFSI (2.0T) (2018 - 2020)B9 Facelift II 09/2019 2025Petrol245 hpSiemens/Continental Simos 18.4, Siemens/Continental Simos 19.7
45 TFSI (2.0T) (2019 - 2020)B9 Facelift II 09/2019 2025Petrol245 hpSiemens/Continental Simos 18.4, Siemens/Continental Simos 19.7
45 TFSI (2.0T) (2019 - 2020)B9 Facelift II 09/2019 2025Petrol (mild hybrid)265 hpSiemens/Continental Simos 19.7Autotuner, FLEX
45 TFSI (2.0T) (2020 - 2024)B9 Facelift II 09/2019 2025Petrol (mild hybrid)265 hpSiemens/Continental Simos 19.7Autotuner, FLEX
S TFSI (3.0T)B9 Facelift II 09/2019 2025Petrol354 hp
35 TFSI (2.0T)B9 Facelift 2018 2019Petrol150 hpBosch MG1CS001, Bosch MG1CS011, Bosch MG1CS031Autotuner
40 TFSI (2.0T)B9 Facelift 2018 2019Petrol190 hpBosch MG1CS001, Bosch MG1CS111, Siemens/Continental Simos 18.10Autotuner
45 TFSI (2.0T) (2019 - 2019)B9 Facelift 2018 2019Petrol245 hpBosch MG1CS001Autotuner
S4 3.0 TFSiB9 Facelift 2018 2019Petrol354 hpBosch MG1CS002
S4 3.0 TFSi (GPF)B9 Facelift 2018 2019Petrol354 hpBosch MG1CS002
2.0 TFSIB9 07/2015 2018Petrol150 hpBosch MG1CS003, Bosch MG1CS011, Bosch MG1CS031FLEX
1.4 TFSIB9 07/2015 2018Petrol150 hpBosch MED17.1.21, Bosch MED17.1.61, Bosch MED17.5.21, Bosch MED17.5.25Autotuner, FLEX
2.0 TFSIB9 07/2015 2018Petrol190 hpBosch MED17.1.10, Bosch MG1CS001, Siemens/Continental Simos 18.1, Siemens/Continental Simos 18.10Autotuner, FLEX
2.0 TFSIB9 07/2015 2018Petrol252 hpBosch MG1CS001, Siemens/Continental Simos 18.1, Siemens/Continental Simos 18.4, Siemens/Continental Simos 18.5, Siemens/Continental Simos 18.6Autotuner, FLEX
S TFSI (3.0T)B9 07/2015 2018Petrol354 hp
S4 3.0 TFSiB9 07/2015 2018Petrol354 hpBosch MG1CS002Autotuner, FLEX
RS4 2.9 Bi-TurboB9 07/2015 2018Petrol450 hpBosch MG1CS002Autotuner
1.8 TFSIB8 Facelift 2012 2015Petrol120 hpBosch MED17.5.2, Siemens/Continental Simos 12
1.4 TFSIB8 Facelift 2012 2015Petrol125 hpBosch MED17
1.8 TFSIB8 Facelift 2012 2015Petrol170 hpSiemens/Continental Simos 12.1, Siemens/Continental Simos 12.2Autotuner, FLEX
2.0 TFSIB8 Facelift 2012 2015Petrol211 hpBosch MED17.1
2.0 TSIB8 Facelift 2012 2015Petrol225 hpBosch MED17.1, Siemens/Continental Simos 12.1, Siemens/Continental Simos 12.2, Siemens/Continental Simos 18.1, Siemens/Continental Simos 18.2, Siemens/Continental Simos 18.3, Siemens/Continental Simos 18.6Autotuner, FLEX
3.0 TFSI V6B8 Facelift 2012 2015Petrol272 hpSiemens/Continental Simos 16, Siemens/Continental Simos 16.1, Siemens/Continental Simos 16.11, Siemens/Continental Simos 8.5Autotuner, FLEX
S4 3.0 TFSIB8 Facelift 2012 2015Petrol333 hpSiemens/Continental Simos 16, Siemens/Continental Simos 8.5
1.8 TFSiB8 2008 2011Petrol120 hpBosch MED17.5, Bosch MED17.5.2Autotuner, FLEX
1.8 TFSiB8 2008 2011Petrol160 hpBosch MED17.1, Bosch MED17.5, Bosch MED17.5.2, Bosch MED17.5.5Autotuner, FLEX
2.7L TDIB8 2008 2011Petrol163 hpFLEX
2.0 TFSiB8 2008 2011Petrol180 hpBosch MED17.1, Bosch MED17.5, Bosch MED17.5.2, Siemens/Continental Simos 12.1, Siemens/Continental Simos 18.1Autotuner, FLEX
2.7L TDIB8 2008 2011Petrol190 hpFLEX
2.0 TFSiB8 2008 2011Petrol211 hpBosch MED17.1, Bosch MED17.5, Bosch MED17.5.2, Siemens/Continental Simos 18Autotuner, FLEX
3.2 FSiB8 2008 2011Petrol256 hpSiemens/Continental Simos 6.2, Siemens/Continental Simos 6.3Autotuner
3.2 FSiB8 2008 2011Petrol265 hpBosch MED9.1, Siemens/Continental Simos 6.2, Siemens/Continental Simos 8.2, Siemens/Continental Simos 8.2xAutotuner, FLEX
3.0 TFSiB8 2008 2011Petrol290 hpSiemens/Continental Simos 16, Siemens/Continental Simos 8.4, Siemens/Continental Simos 8.5FLEX
3.0L T quattroB8 2008 2011Petrol300 hpSiemens/Continental Simos 8.5FLEX
S4 3.0 TFSiB8 2008 2011Petrol333 hpSiemens/Continental Simos 16, Siemens/Continental Simos 16.1, Siemens/Continental Simos 16.11, Siemens/Continental Simos 8.4, Siemens/Continental Simos 8.5Autotuner, FLEX
1.6iB7 2004 - 2008Petrol102 hpSiemens/Continental Simos 3.4, Siemens/Continental Simos 7.1
2.0iB7 2004 - 2008Petrol130 hpBosch ME7.1, Bosch ME7.5FLEX
2.0 FSiB7 2004 - 2008Petrol150 hpBosch MED9.5.10
1.8TB7 2004 - 2008Petrol163 hpBosch ME7.5, Bosch ME7.5.5Autotuner, FLEX
2.0 TFSiB7 2004 - 2008Petrol170 hpBosch MED9.1FLEX
2.0 TFSiB7 2004 - 2008Petrol200 hpBosch GS19, Bosch MED17.5, Bosch MED9.1, Bosch MED9.1.5, Bosch MED9.1.xAutotuner, FLEX
3.0 V6B7 2004 - 2008Petrol220 hpFLEX
2.0 TFSI - DTM editionB7 2004 - 2008Petrol220 hpBosch MED9.1, Bosch MED9.1.5FLEX
3.2 V6B7 2004 - 2008Petrol255 hpSiemens/Continental SIMOS6.2/6.3, Siemens/Continental Simos 6.2, Siemens/Continental Simos 6.3Autotuner, FLEX
1.6iB6 2001 - 2004Petrol102 hpSiemens/Continental Simos 3, Siemens/Continental Simos 7.1
2.0iB6 2001 - 2004Petrol130 hpBosch ME7.1.1, Bosch ME7.5.5FLEX
1.8 TB6 2001 - 2004Petrol150 hpBosch ME7.5, Bosch ME7.5.5, Bosch MED7.1.1, Bosch MED9.5.10Autotuner, FLEX
1.8 TB6 2001 - 2004Petrol163 hpBosch ME7.5, Bosch ME7.5.5Autotuner, FLEX
2.4i v6B6 2001 - 2004Petrol170 hpBosch ME7.1, Bosch ME7.1.1Autotuner, FLEX
1.8 TB6 2001 - 2004Petrol190 hpBosch ME7.5, Bosch ME7.5.5Autotuner, FLEX
1.8 T1995 - B5Petrol180 hpBosch M3.8.2, Bosch ME7.5.5

Other modifications for Audi A4

Engine performance

Stage 1Stage 2 BASEStage 3 BASEE85 or other special fuels modificationLaunch control

Gearbox

Gearbox TCU tuning

Sound and driving

Pops and bangsHardcut limiterVMAX speedlimit on/off higher/lowerStart/Stop System OffHardcut Popcorn limiter for diesel

Deactivations and fixes

DTC offCatalyst offDPF/OPF/GPF offEGR offAdBlue off

Immobiliser and cloning

IMMO_OFF
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.

Control units

Bosch MG1CS001Bosch MG1CS031Bosch ME7.5.5Siemens/Continental Simos 8.5Bosch MED17.1Bosch MED17.5.2Bosch MED17.5Bosch ME7.5Bosch MG1CS002Siemens/Continental Simos 18.1Bosch MED9.1Siemens/Continental Simos 19.7Siemens/Continental Simos 16Bosch MG1CS111Siemens/Continental Simos 18.4Siemens/Continental Simos 12.1Bosch MED17.1.61Bosch MED17.1.10Siemens/Continental Simos 6.2Siemens/Continental Simos 18.10

32 more on the vehicle pages.

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Flex fuel mod for E85 or other fuel types for all Audi models

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