Discover performance optimization with our state-of-the-art downpipe kit DPF replacement for your BMW. Designed to push the limits of your vehicle and provide an unparalleled driving experience. High quality stainless steel SS304: Made from high quality stainless steel SS304 for maximum durability and performance. 100% Fit: Easily interchangeable with the stock part with no additional customization required. Reduced thermal load on the turbochargers: Reduces the thermal load on the turbochargers, which improves service life and reliability. Increased performance through back pressure reduction: Optimizes the exhaust gas flow and increases the performance of your BMW 335d for an impressive driving experience. Noticeably more torque: Experience a significant increase in torque that takes your driving performance to a new level. Diameter of Ø 70mm: Optimally sized to maximize exhaust flow and improve performance. Ready to conquer the roads? Our downpipe kit DPF replacement for your BMW is the perfect choice for those looking for the highest performance and quality. The Wagner Tuning downpipe Kit fits the following vehicles: BMW 335d E90/E91/E92/E93 (2006-2011) BMW 535d E60/E61 (2006-2009) BMW 635d E63/E64 (2006-2010) BMW X3 E83 3.0sd (2006-2010) BMW X5 E70 3.0sd (2007-2010) BMW X6 E71 35dX (2007-2010) *Replaces original BMW part number: 18308508523 Part number 500001009 The software data status should be adapted to avoid the output of error codes in the DME. Not permitted in the area of the STVO. Disclaimer for catalytic converters It should be noted 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 'burble' style tunes. 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.