In this guide, you will find instructions on how to change the oxygen (O2) sensor on an Audi. This guide will show you how to change the upstream oxygen sensor for the catalytic converter. That would be Bank 1 Sensor 1 or Bank 2 Sensor 1. Also, to change the downstream oxygen sensor for the catalytic converter, you will need to jack up the car and/or use ramps.
Hi Everyone, It appears that my OEM catalytic converter on the passenger side had snapped at the flange. Is it possible to replace the cat without dropping the engine or removing the transmission ? Car is 2014 B8.5 S4 6MT 25k Miles with AWE Exhaust Non Res with EPL stage 1 tune. Anyone had similar issue in the past ?
The WAGNERTUNING Audi B5 S4 Intercooler Kit is a high performance redesign of the original Audi OEM intercooler designed specifically for the B5 enthusiasts. Our engineers have increased the intercooler core and improved the end tank design to remove any OEM bottlenecks, resulting in increased flow rating and charge cooling properties.
The Audi RS 4 is the high-performance variant of the Audi A4 range produced by Audi Sport GmbH for AUDI AG, a division of the Volkswagen Group. It slots distinctly above the Audi S4 as the fastest, most sports-focused car based on the A4's "B" automobile platform. The RS 4 made a return in 2012 in Avant form, based on the A4 Avant.
CTS Turbo is proud to release the CTS Turbo B8/B8.5 3.0T downpipe torque adapter/downpipe removal tool. Made from stainless steel, this piece not only extremely useful but also very strong. Simply attach your 3/8" ratchet or extension to one side and use the 12mm side to remove and install the nuts that hold downpipe to the catalytic converter.
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MagnaFlow offers industry leading Audi S4 Catalytic Converter replacements that will keep your S4 running efficient and meet your local emissions compliance. Select your Audi S4 requirements and state vehicle registration to ensure you buy the best Catalytic Converter that fits your S4 needs and meets your state’s emissions compliance.