Catalyst off for Bosch MED9.1

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

Catalyst off files for vehicles with Bosch MED9.1

45 of the 45 vehicles with this unit

VehicleGenerationFuelPower
A1 2.0 TFSi Quattro8X 2010 2014Petrol256 hp
A3 2.0 TFSi8P Facelift 2008 2012Petrol200 hp
A3 S3 2.0 TFSi8P Facelift 2008 2012Petrol265 hp
A3 2.0 TFSi8P 2003 2008Petrol200 hp
A3 S3 2.0 TFSI8P 2003 2008Petrol265 hp
A4 3.2 FSiB8 2008 2011Petrol265 hp
A4 2.0 TFSiB7 2004 - 2008Petrol170 hp
A4 2.0 TFSiB7 2004 - 2008Petrol200 hp
A4 2.0 TFSI - DTM editionB7 2004 - 2008Petrol220 hp
A4 S4 4.2 V8B7 2004 - 2008Petrol344 hp
A4 RS4 4.2 V8B7 2004 - 2008Petrol420 hp
A4 Cabrio RS4 4.2 V8B7 2006Petrol420 hp
A5 S5 4.2 V88T 2007 - 2011Petrol354 hp
A6 2.0 TFSiC6 Facelift 2008 2010Petrol170 hp
A6 4.2 FSiC6 Facelift 2008 2010Petrol350 hp
A6 5.2 FSiC6 Facelift 2008 2010Petrol435 hp
A6 RS6 5.0 TFSiC6 Facelift 2008 2010Petrol580 hp
A6 2.0 TFSiC6 2004 2008Petrol170 hp
A6 S6 5.2 FSi V10C6 2004 2008Petrol435 hp
A6 RS6 5.0 TFSiC6 2004 2008Petrol580 hp
A8 4.2 FSI V8D3 2003 - 2010Petrol350 hp
A8 5.2 FSI V10D3 2003 - 2010Petrol450 hp
Q5 3.2L V6 FSI8R 2008 2011Petrol250 hp
Q7 3.6 FSi4L 2006 2010Petrol280 hp
Q7 4.2 FSi4L 2006 2010Petrol350 hp
R8 4.2 V8I 2006 - 2012Petrol420 hp
R8 4.2 V8I 2006 - 2012Petrol430 hp
R8 5.2 V10I 2006 - 2012Petrol525 hp
R8 5.2 FSI PlusI 2006 - 2012Petrol550 hp
RS4 RS4 4.2 V8B7 2004 - 2008Petrol420 hp
RS6 RS6 5.0 TFSiC6 2004 - 2011Petrol580 hp
S3 S3 2.0 TFSi8P Facelift 2008 2012Petrol265 hp
S3 S3 2.0 TFSi8P 2003 2008Petrol265 hp
S4 S4 4.2 V8B7 2004 - 2008Petrol344 hp
S5 S5 4.2 V88T 2007 - 2016Petrol354 hp
S6 S6 5.2 FSI V10C6 2004 - 2011Petrol435 hp
S8 S8 5.2 V10 FSID3 2006 2009Petrol450 hp
TT 2.0 TFSI8J 2006 2014Petrol200 hp
TT 2.0 TFSI8J 2006 2014Petrol211 hp
TT S 2.0 TFSI8J 2006 2014Petrol272 hp
TT RS 2.5 TFSI (2009 - 2014)8J 2006 2014Petrol340 hp
TT RS Plus 2.5 TFSI (2011 - 2014)8J 2006 2014Petrol360 hp
TT RS RS 2.5 TFSI8J 2006 2014Petrol340 hp
TT RS RS Plus 2.5 TFSI8J 2006 2014Petrol360 hp
TT S 2.0 TFSI8J 2006 2014Petrol272 hp
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.

Read tools

Autotuner
Bench, OBD
Magicmotorsport FLEX
Bench, Boot, OBD

Also listed: Alientech KESS3, Alientech KESSv2, Alientech K-TAG, Flashtec CMD, Dimsport New Genius, Dimsport New Trasdata, AMT Cartech Limited MPPS, Bitbox, ByteShooter Toolbox, Foxflash, HP Tuners, PCM-Flash.

Get this file

Upload your original file in the portal. Stage 1 on average in 50 minutes.

Upload your original file

Catalyst off for other units

See all 2117 vehicles

We walk the extra mile.

Full throttle to the solution

Continuously improving

We regularly make improvements to existing files.

Fast response times

We are easy to reach and respond quickly to all your questions.

Developed on dyno

Many of our tuning files are carefully tested on dyno and road.

We are here to help you

Our engineers are highly skilled and have many years of experience in calibrating engines and gearboxes. They are here to answer your questions.

ECUFILES engineer at work

2512 real customers worldwide

QS RACINGGuosong Huang
★★★★★

I like your team. Because we have cooperated for 4 years.

Ecufiles response: Thanks a lot for your compliment and for already working with us for the last 4 years.

Antonis Markou GarageMarkou Constantinos
★★★★★

I am very happy to meet you guys and I love working with you! Keep going !

Ecufiles response: Dear Antonis, Thanks a lot for your compliments.

All reviews

Technical Questions
For technical questions, please register for free and submit a ticket on our platform. One of our engineers will respond to you as soon as possible during business hours.

Response time: Quick!

Sales Questions
For sales questions, please register for free and submit a ticket on our platform. One of our engineers will respond to you as soon as possible during business hours.

Response time: Quick!

For sales questions, you can also reach us at:

WhatsApp: +31686247602

Response time: Moderate!

WhatsApp