Revolutionary Wagner Tuning downpipe kit for BMW N57 engine: Highest quality and performance Our downpipe kit for the BMW with N57 engine offers an unrivaled combination of high-quality workmanship, precise fitment and performance enhancement. Developed from high quality SS304 stainless steel, this kit is designed to maximize the performance of your vehicle and provide an unparalleled driving experience. Technical specifications at a glance: Manufactured from high quality SS304 stainless steel for maximum durability and longevity in all conditions. This download kit is a 100% custom fit and allows for easy replacement with the stock part without the need for additional modifications. The optimised design reduces thermal stress on the turbochargers, increasing turbocharger life and improving vehicle reliability. The precisely designed construction reduces back pressure, allowing for a noticeable increase in engine performance and an improved driving experience. With a diameter of Ø70mm, this downpipe kit maximizes the torque of your vehicle and ensures powerful acceleration performance. Experience perfection: Our downpipe kit for the BMW 3 Series N57 engine sets new standards in terms of performance, quality and driving experience. With precision manufacturing and advanced design, this kit is the ideal choice for those who want to get the best out of their vehicle. Discover the ultimate in performance enhancement and vehicle dynamics with our downpipe kit - now available for your BMW 3 Series. The Wagner Tuning DPF replacement pipe fits the following vehicles with N57 engine: 3er / 3-series; E90,91,92,93 325d,330d(x) 2007-2013 150-180 KW 5er / 5-series; F10,11,07GT 525d, 530d(x) 2010-2011 150-190 KW 7er / 7-series; F01,02 730d, 740d(x) 2007-2012 180-230 KW 7er / 7-series; F01,02 (LCI) 730d(x) 2011-2015 190 KW X3 / F25 30d(x) 2009-2016 190 KW X4 / F26 30d(x) 2013-2016 190 KW X5 / E70 LCI 30d(x), 40d(x) 2009-2013 180-225 KW X6 / E71 30d(x), 40d(x) 2009-2014 180-225 KW *replaces original BMW part number: 18308511143 *ECU will need to be coded to avoid engine management light errors. De-cat products available for motorsport and off road use only Disclaimer for catalytic converters Please note that Wagner Tuning catalytic converters are intended for use on OEM vehicles for performance optimization. They are NOT intended for use in conjunction with ECU tuning. Wagner Tuning GmbH & Co. Kg. accepts no responsibility for damage caused by modifications to a vehicle, such as a tuned ECU and/or deactivation of the boost cut-off. Wagner Tuning GmbH & Co. Kg. is also not responsible for damage caused by engine malfunctions that create rich/lean conditions that are detrimental to the catalytic converter. All claims regarding a catalytic converter are subject to a warranty check. In order for a warranty to be honored, Wagner Tuning GmbH & Co. Kg. requires the purchaser to prove that the engine has been set up unchanged and in accordance with the original manufacturer's specifications and has been kept in proper working order. The end user assumes all responsibility for the legality of the use of a non-OEM catalytic converter on their vehicle for the region in which it is used.