Is the DPF still a problem area for urban drivers?

[pmc123]

considering an X5 diesel. Been reading about DPF failures for people who don't take a lot of long journeys. This would be my usage pattern - mostly city driving and long trips every 3 or 4 months.

Is this still a problem? Anyone know if the DPF falls under California's required 8 year emissions warranty?

[mrseattle]

Originally Posted by pmc123

considering an X5 diesel. Been reading about DPF failures for people who don't take a lot of long journeys. This would be my usage pattern - mostly city driving and long trips every 3 or 4 months.

Is this still a problem? Anyone know if the DPF falls under California's required 8 year emissions warranty?

Had an E70 35d for more than 2 years, and with similar usage never got an issue.

[X5hopefull]

How about the carbon build up in the intake manifold ? Has that still been an issue ? We use to own a 335d 2011 that had this problem with only 70,000 miles

[mrseattle]

Originally Posted by X5hopefull

How about the carbon build up in the intake manifold ? Has that still been an issue ? We use to own a 335d 2011 that had this problem with only 70,000 miles

I only had it up to 35K miles, so didn't have any issues.

[stewy604]

I do a pretty good mix of city/highway mileage, and with just over 80k on the odometer, I've had zero DPF or carbon issues to speak of. I've have two emissions related failures (new turbo / diverter valve issue and an EGR temp / pressure sensor). The key is allowing the vehicle to reach full operating temp, this is crucial for several reasons. Short trips will you against you in a gasser as well. Just be sure to stretch the vehicles legs and give it a good run, nothing wrong with some WOT pulls (on-ramps, backroads, etc...). Pick your poison.