High-quality downpipe for BMW F30, F31, F34 330d, 330dX, 335dX with N57N and N57Z engines. Important: This downpipe is designed to fit cars with Euro 5 emission standard. We also have Euro 6 version, so please verify your car’s emission standard before buying or send us your VIN code, and we will check it for you. FITS THESE BMW MODELS: BMW 3 Series: F30, F31, F34 [2012-2015] 330d (190kw / 258hp) – N57N 330dX (190kw / 258hp) – N57N 335dX (230kw / 313hp) – N57Z 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: • Quality stainless steel (SS304) • Downpipe diameter: 3″ (76mm) • Flange to turbine diameter: 105mm • Connection to exhaust (stock): 70mm • One socket for lambda (oxygen) sensor • Two sockets for temperature (EGT) sensors • One pipe for the pressure sensor hose OE reference numbers: 18 30 7 805 780, 18307805780, 7805780, 18 30 8 513 527, 18308513527, 8513527