We tune the new Audi S4 TDI DEWB to 400bhp!!

For years, the Audi S4 has been well know within the tuning scene thanks to its high performance petrol's engines, so how will this new Audi S4 TDI stand up? Audi S4 / S5 / S6 / A7 / Q5 FMIC: https://www.darksidedevelopments.co.u... Custom MD1 ECU Tuning: https://www.darksidedevelopments.co.u... ----------------------------------------------------------------------------------------- Check out our full video archive: http://drksi.de/videos Please don't forget to subscribe to our YouTube Channel: http://drksi.de/YTSubscribe Visit our website for more of what we do at http://www.darksidedevelopments.co.uk We offer Bespoke Tuning Products, Custom ECU Mapping, Diagnostics, Servicing, Repairs as well as a wide range of New & Used Genuine and OEM quality parts. One of our main aims is to provide products that give the best performance gains, whilst still maintaining the reliability and economy associated with a diesel engine. As we only own and work with TDIs, you can be assured that you are dealing with experts who have an in depth knowledge and understanding of all things VW and BMW Diesel. Follow us here: LIKE us on Facebook: http://drksi.de/fb FOLLOW us on Twitter: http://drksi.de/twitter FOLLOW us on Instagram: http://drksi.de/insta FOLLOW us on Flickr: http://drksi.de/flickr +1 us on Google+: https://plus.google.com/+DarksideDeve... See our online blog for guides, event coverage, advice and more: http://drksi.de/blog