Thread: DPF and DIS
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      06-02-2013, 02:09 PM   #7
tmarshall57
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Drives: E90 330d
Join Date: Apr 2008
Location: Bury, Lancs, UK

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My car has done 142,000 miles and the iDrive was forecasting a remaining DPF life of around 13,000 miles.

I was quite pleased therefore when I managed to get DIS up and running and ran a test on the DPF which checked and displayed the back-pressure at varying engine speeds.

These are the results I got. I have also included the maximum back-pressure for each speed at which the test was carried out (this was also displayed by DIS):

Engine Speed (RPM) === Measured Pressure === Maximum Allowed Pressure

Idling === 6.9 === 65
2,000 === 22.9 === 150
Cutoff (Approx 4,400) === 78.9 === 250


On that basis I reset the iDrive service counter for the DPF and it has remained at 120,000 miles until replacement for the past 4 weeks.

I will spend the money I had planned for DPF delete on something else.
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