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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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F10 530d M Sport, September 2012 Individual Amazonite Silver, Oyster Dakota Leather, Auto, Nav Pro, Bluetooth + USB Devices, Expanded BMW Online, Comfort Seats, Sunroof, Sun Protection Glass Individual Satin Walnut Honey Brown Trim Interior Inside/Outside Mirror with folding and autodip, M Rear Spoiler
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