Bmw Dpf Back Pressure Sensor

I needed to check if it was indeed blocked and the first back pressure reading showed exhaust gas back pressure at 940m b at 2 000 rpm.

Bmw dpf back pressure sensor.

You would normally measure dpf pressure in mb. The car in question is our bmw x5 3 0d when you are at wot the pressure before the dpf peaks at around 480mbar. There are several possible reasons why a dpf could be showing a reading like this. Old sensor is showing 12mbar pressure with hose disconected i replaced it with new one from hella and is showi.

Flow sensor lambda nox sensor bumper parking sensor tyre pressure sensor mass air flow meter sensor maf sensor exhaust pressure sensor engine exhaust back pressure sensor wheel speed sensor lateral acceleration sensor a b s. Next we simply tested sensor plausibility which showed a reading of 0 m b with ignition on engine off. 300mb is about 4 5 psi. When i do the dpf back pressure test with the just the engine running and no driving i have approx 12mbar at idle 55mbar at 2000rpm and 100mbar at 4000rpm these results are roughly half the bmw max recommended value.

Sensor abs wheel speed sensor acceleration yaw rate.