High-quality downpipe for BMW BMW X5 E70, X6 E71 30dX, 40dX with N57, N57S engine. FITS THESE BMW MODELS: BMW X5 E70 [2010-2013]  30dX (180kw / 245hp) – N57 40dX (225kw / 306hp) – N57S BMW X6 E71 [2010-2014] 30dX (180kw / 245hp) – N57 40dX (225kw / 306hp) – N57S 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 8 511 143, 18308511143, 8511143, 18 30 8 510 429, 18308510429, 8510429, 18 30 7 805 780, 18307805780, 7805780, 18 30 8 512 692, 18308512692, 8512692, 18 30 8 512 710, 18308512710, 8512710, 18 30 8 511 146, 18308511146, 8511146