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  #1  
Old 26th February 2017, 08:26 AM
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Default DPF Filters Removed - MOT troubles ahead!

Looks like anyone having their DPF filter removed may have an issue with the authorities going forwards -
http://garagewire.co.uk/news/mot-cha...investigation/
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  #2  
Old 26th February 2017, 08:58 AM
HPsauce HPsauce is offline
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A friend of mine has a BMW 335d M-Sport Touring and has had terrible troubles with his DPF over years, despite doing decent mileage.
He's even had it taken out and "baked" to clear it. But it would inevitably clog up again.

In the end, touch wood, the solution was to go for several long drives with a technician as a passenger and his diagnostic tools plugged in.
The techy would reset the DPF warnings regularly (frequently) until it was hot enough and could be persuaded to regenerate.
At first it only did it partly, but repeatedly resetting they managed over a couple of hours to get the whole thing cleared out and the levels reading suitably low.

My friend has now bought himself a cheap diagnostic tool which enables him to monitor the DPF levels and trigger a regeneration. He does this well below the level that the BMW system would try to force one, which is usually too late.

It means he has to monitor the levels pretty much daily and occasionally has to go for a "blast" down the motorway to clear it. Not really a hardship in a car that can do 0-60 in well under 5 seconds.

He was going to sell it in frustration, but now it's "under control" will probably keep it.
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  #3  
Old 26th February 2017, 09:51 AM
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The answer to these issues is to buy a car that doesn't run on tractor fuel, leave that for tractors.
That don't help really does it, though eventually I can see the market being flooded with those dirty fuelled cars and the petrols becoming worth a premium? That or diesel cars all having to have an LEZ type exhaulst system fitted?
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Old 26th February 2017, 11:05 AM
HPsauce HPsauce is offline
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The DPF issue was a big factor in us buying a petrol car last summer.
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions, ski hatch retrofit; extended leather. Aftermarket DVB-T, reversing camera and full XCarlink (Bluetooth etc.).
2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation". (A much rarer model than a D2 S8 by the way!) Oh, and a brand new engine at just under 30,000 miles on the factory one!
Finally: gone, but not forgotten.....
1998 D2 PF S8. AgateGrey/Platinum. Every option (I think) except electric rear seats, tiptronic steering wheel, ski hatch, towbar & dimming door mirrors.
e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course. (internal dimming mirror added later)
1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon, Auto-dim mirror, Leather, Trip computer, Cruise control, OEM Ford SatNav with CD changer.
And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850!
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  #5  
Old 26th February 2017, 11:21 AM
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Bought a Freelander last year for SWMBO but as it was a 2009 model it didnt have a DPF - which was a factor in buying it. She would be likely do short journeys and that would bring problems.
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  #6  
Old 26th February 2017, 02:10 PM
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Smoke limit for Euro 6 and some Euro 5 vehicles will be dropping to 0.7 from the current 1.5 but where a lower value is quoted under the bonnet that's lower than those limits, it'll be tested to that. The value is in a square box on a VIN style plate (or on the same plate as the VIN)
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  #7  
Old 26th February 2017, 02:52 PM
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Thats why I like my Euro 4 diesel Volvo S60 commuter car, no need to worry about DPF and its just sailed through the diesel smoke test despite plumes of the stuff at high RPM. 14 years old, 172K miles and for some reason I prefer driving it to the D3.
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Old 26th February 2017, 10:36 PM
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....If you think it's bad in cars, try commercial vehicles.
We run a 2012 MAN TGX tractor unit for deliveries - vehicle is Euro5 specification with AdBlue and a DPF.

Replacement DPF and silencer (comes as one non-serviceable component)
£13k+fitting!!!!

Glad its on a full R&M lease!
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  #9  
Old 27th February 2017, 03:09 PM
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Quote:
Originally Posted by Ameiseuk View Post
....If you think it's bad in cars, try commercial vehicles.
We run a 2012 MAN TGX tractor unit for deliveries - vehicle is Euro5 specification with AdBlue and a DPF.

Replacement DPF and silencer (comes as one non-serviceable component)
£13k+fitting!!!!

Glad its on a full R&M lease!
Ouch, but is is a tractor so should be running filth fuel anyway.

Not much consolation for you but ships too are affected by emmisions now with Marpol tier 3 all new builds will have to comply and old ships need to clean up their acts (depending where they operate) buy fitting scrubbers, urea tanks or scavenge air moisturising systems. Fitting these to a non compliant ship can be mega bucks.
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  #10  
Old 27th February 2017, 03:56 PM
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Quote:
Originally Posted by Dezzy View Post
Ouch, but is is a tractor so should be running filth fuel anyway.

Not much consolation for you but ships too are affected by emmisions now with Marpol tier 3 all new builds will have to comply and old ships need to clean up their acts (depending where they operate) buy fitting scrubbers, urea tanks or scavenge air moisturising systems. Fitting these to a non compliant ship can be mega bucks.
Its along way from the days when "blowing soot" was a morning watch ritual! As the Engineers would say "Once its left the funnel its the property of the Seaman Department".
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