High-quality 3-inch downpipe for BMW E60 535d and E61 535d pre-facelift models, equipped with the M57N (M57TU) engine. Exclusively crafted by KPerformance, our full 3″ (76mm) downpipe maintains a bolt-on fitment while maximizing exhaust flow and minimizing backpressure, resulting in sharper throttle response, increased performance, and a deeper, more aggressive exhaust tone. FITS THESE BMW MODELS: BMW 5 Series: E60, E61 [2004-2007] 535d (200kw / 272hp) – M57N Note: If your model is not listed here, look for it under another product. If you cannot find your model anywhere, contact us for assistance. SPECIFICATION: • Direct bolt-on fitment • Stainless steel (SS304, 1.5mm) • Replaces OEM Catalytic converter • Flange to turbine diameter: 83mm • Downpipe diameter: 3″ (76mm) • Connection to exhaust (stock): 2.75″ (70mm) • One socket for lambda (oxygen) sensor • One socket for temperature (EGT) sensor • One pipe for the pressure sensor hose OE reference numbers: 18 30 7 795 868, 18307795868, 7795868