High-quality Downpipe for BMW F30, F31, F34 316d, 318d, 318dX, 320d, 320dX, 325d, 328d, 328dX models with B47, N47N and N47S1 engines. 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. Important: This downpipe is designed to fit cars with Euro 6 emission standard. We also have Euro 5 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 [2014-2019] 316d (85kw / 116hp) – N47N 316d (85kw / 116hp) – B47 318d (100kw / 136hp) – N47N 318d (100kw / 136hp) – B47 318d (105kw / 143hp) – N47N 318dX (105kw / 143hp) – N47N 318d (110kw / 150hp) – B47 318dX (110kw / 150hp) – B47 320d ED (120kw / 163hp) – N47N 320d ED (120kw / 163hp) – B47 320d (135kw / 184hp) – N47N 320dX (135kw / 184hp) – N47N 320d (140kw / 190hp) – B47 320dX (140kw / 190hp) – B47 320d PPK (147kw / 200hp) – N47N 320dX PPK (147kw / 200hp) – N47N 325d (160kw / 218hp) – N47S1 325d (165kw / 224hp) – B47 328d (134kw / 182hp) – N47N (USA) 328dX (134kw / 182hp) – N47N (USA) 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) • Downpipe diameter: 3″ (76mm) • Flange to turbine diameter: 83mm • Connection to exhaust (stock): 61mm • Two sockets for lambda (oxygen) sensors • Two sockets for temperature (EGT) sensors • Two pipes for the pressure sensor hoses OEM reference part numbers: 18 30 8 583 372, 18308583372, 8583372, 18 30 8 514 988, 18308514988, 8514988, 18 30 8 513 960, 18308513960, 8513960, 18 30 8 589 812, 18308589812, 8589812, 18 30 8 575 824, 18308575824, 8575824, 18 30 8 583 452, 18308583452, 8583452, 18 30 8 515 092, 18308515092, 8515092, 18 30 8 472 676, 18308472676, 8472676, 18 30 8 475 290, 18308475290, 8475290