Bmw Dpf Back Pressure Sensor

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Bmw dpf back pressure sensor.

300mb is about 4 5 psi. The car in question is our bmw x5 3 0d when you are at wot the pressure before the dpf peaks at around 480mbar. Next we simply tested sensor plausibility which showed a reading of 0 m b with ignition on engine off. A good one at idle would be 10mb or less bring revs up to about 2500rpm and less than 100mb flat out under load and 300mb max.

Hi i have a problematic bmw 320d n47d20c engine with dpf back pressure sensor problem. You would normally measure dpf pressure in mb. Bmw a dpf sensor for sale bmw a dpf sensor replacement. There are several possible reasons why a dpf could be showing a reading like this.

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.