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Chiptuning files » Solutions » Catalyst off » BMW » 4 Series Gran Coupe

Catalyst off for BMW 4 Series Gran Coupe

Catalyst monitoring by the lambda (O2) sensor is switched off so a sport catalyst or decat does not raise fault codes. 31 engines.

BMW 4 Series Gran Coupe engines with Catalyst off

EngineGenerationFuelStockECURead tools
420i (2.0T)G26 2021 2024Petrol184 hpBosch MG1CS003, Bosch MG1CS201Autotuner, FLEX
420DG26 2021 2024Diesel (mild hybrid)190 hpBosch MD1CP032, Bosch MD1CS001Autotuner, FLEX
430i (2.0TG26 2021 2024Petrol245 hpBosch MG1CS003, Bosch MG1CS201Autotuner, FLEX
430iG26 2021 2024Petrol258 hpBosch MG1CS003, Bosch MG1CS201Autotuner, FLEX
M440i (3.0T)G26 2021 2024Petrol (mild hybrid)374 hpBosch MG1CS003, Bosch MG1CS201Autotuner
M40iG26 2021 2024Petrol387 hpBosch MG1CS201Autotuner
418iF36 2016 - 2020Petrol136 hpBosch MEVD17.2.3
418dF36 2016 - 2020Diesel150 hpBosch EDC17C50, Bosch MD1
420iF36 2016 - 2020Petrol184 hpBosch MG1CS003
420dF36 2016 - 2020Diesel190 hpBosch EDC17C41, Bosch EDC17C50, Bosch MD1
425dF36 2016 - 2020Diesel224 hpBosch EDC17, Bosch MD1
430iF36 2016 - 2020Petrol252 hpBosch DME841, Bosch MG1CS003, Bosch MG1CS024, Bosch MG1CS201Autotuner
430dF36 2016 - 2020Diesel258 hpBosch EDC17C56
435dF36 2016 - 2020Diesel313 hpBosch EDC17CP45
440iF36 2016 - 2020Petrol326 hpBosch MEVD17.2, Bosch MG1CS003Autotuner
440i (PP)F36 2016 - 2020Petrol360 hpBosch MG1CS003Autotuner
418iF36 2014 - 2016Petrol136 hpBosch MEVD17.2.3, Bosch MEVD17.2.GAutotuner
418dF36 2014 - 2016Diesel136 hpBosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56
418dF36 2014 - 2016Diesel143 hpBosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56Autotuner
420dF36 2014 - 2016Diesel163 hpBosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56, Bosch MD1CS001Autotuner
420iF36 2014 - 2016Petrol163 hpBosch MEVD17.2.4, Bosch MEVD17.2.9Autotuner
420iF36 2014 - 2016Petrol184 hpBosch MEVD17.2.4, Bosch MEVD17.2.9, Bosch MG1CS003Autotuner
420dF36 2014 - 2016Diesel184 hpBosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56, Bosch EDC17CP45Autotuner
420dF36 2014 - 2016Diesel190 hpBosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56, Bosch MD1CS001Autotuner
25dF36 2014 - 2016Diesel218 hpBosch EDC17CP45Autotuner
428i SULEVF36 2014 - 2016Petrol245 hpBosch MEVD17.2.4, Bosch MEVD17.2.9Autotuner
428iF36 2014 - 2016Petrol245 hpBosch MEVD17.2.4, Bosch MEVD17.2.9Autotuner
430dF36 2014 - 2016Diesel258 hpBosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56, Bosch EDC17C76Autotuner
435iF36 2014 - 2016Petrol306 hpBosch MEVD17.2, Bosch MEVD17.2.6, Bosch MEVD17.2.9, Bosch MEVD17.2.GAutotuner
435dF36 2014 - 2016Diesel313 hpBosch EDC17CP45, Bosch EDC17CP49Autotuner
435i PPF36 2014 - 2016Petrol339 hpBosch MEVD17.2

Other modifications for BMW 4 Series Gran Coupe

Engine performance

Stage 1Stage 2 BASEStage 3 BASEE85 or other special fuels modificationFlex fuel mod for E85 or other fuel typesLaunch 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 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.
For motorsport and off-road use. Check the rules in your country before using this on public roads.

Control units

Bosch MG1CS003Bosch EDC17C50Bosch EDC17C41Bosch EDC17C56Bosch MG1CS201Bosch MEVD17.2.9Bosch EDC17CP45Bosch MEVD17.2.4Bosch MD1CS001Bosch MEVD17.2Bosch MD1Bosch MEVD17.2.GBosch MEVD17.2.3Bosch MD1CP032Bosch MG1CS024Bosch EDC17CP49Bosch MEVD17.2.6Bosch EDC17C76Bosch EDC17Bosch DME841

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