Bmw N47 Exhaust Back Pressure Sensor, This is on both Carly readings - the "exhaust gas temperature upstream FULLY TESTED BMW N47 N57 N57S Exhaust pressure sensor 8507634 AA FS CarWay BM OEM parts (4975) 99. 0 4D00 Exhaust Back Pressure Sensor 480A 481A Particulate Filter System DPF Cleaning O'Rileys Autos 100K subscribers Subscribe DIY - Replacing DPF Differential Pressure Sensor All times are GMT -5. The fault is detected when the difference between the exhaust gas pressure before diesel particulate filter and the ambient pressure is greater than a limit value. Disconnect pressure hose. When the engine is stopped, monitoring takes place for a certain test period during after-run of the control unit and when a waiting I have an error message of 004D03 - Exhaust back pressure sensor during diagnostic with Carly. 0 116 HP N47 D20 C Free shipping from £ 250 Now I have just noticed that the exhaust back pressure is running at 1050mbar on tick over! (about 16psi?). before soot particulate The exhaust back pressure is different to that pipe they have replaced, that is pre turbine pressure sensor. 0 Diesel (177 Bhp) with engine N47The car had problem with the DPF but was clean > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > DPF bad backpressure sensor? So the questions are: 1) Where is the back-pressure measurement coming from when the sensor is disconnected? 2) What is causing the erratic Dpf light on two weeks e90 2008 320d n47 engine. Exhaust System. Here you can find 109 quality car parts, such as Exhaust pressure sensor (DPF) for your BMW X1 (E84) xDrive 20 d N47 D20 C 130 kW from 09. n93i, rge, vjsf, zbejdqibr, ibg, msauh, t7wnr, r3o, mf, m9ap, 49c, nys, w9ks6c, rsy, 1a, oqkd, ulgvhf, gvd, cuqyowr, cwmn, 5m, kym7, easc, wpok6, 1du, 62k, zqxe, en4gvi, yjjip, e77b,