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Old 03-11-2015, 09:12 PM
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DPF Cleaner Fuel Additive

Found this product from Lucas Oil and ordered six 16 oz bottles on Ebay for $84. In the process of trying to locate a DPF delete pipe as I found someone who will reflash the ECU to account for DPF delete. Nobody has made a DPF delete pipe for an X5 yet and if anyone knows where to find one please let me know.

Details from the Lucas Oil Website:

Lucas Diesel Deep Clean is a new technology designed to reduce particulate matter in diesel particulate filters (DPF), which helps extends the life of the equipment. Particulate matter is a major contributor to the degradation of DPF systems. Our product cleans fuel injectors, restores power loss and improves acceleration. It restores engine performance and improves fuel economy and reduces NOx emissions.

KEY BENEFITS

Reduces particulate matter in filters
Cleans fuel injectors
Restores power loss
Improves acceleration

Diesel Deep Clean

If you decide to order this make sure you order the Diesel Deep Clean and not just the standard deep clean.
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  #2  
Old 03-12-2015, 12:18 AM
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Hi. I raised this topic last year when my dad bought me a few bottles to try out. Granted my DPF wasn't clogged at the time, nor has it been since, but I did notice that after travelling some distance on the tank of fuel containing the additive there was noticeable soot coming out the exhaust under acceleration. This stopped happening once I stopped using the additive which left me wondering if the "soot" I noticed was in fact being burnt up as a result of the chemical in that additive reducing the flash point of the soot in the DPF or...was it just the stuff in that bottle burning up which caused the smoke? I guess the only way to know for sure is for someone with a confirmed clogged DPF to try it out??
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Old 03-12-2015, 01:14 PM
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Quote:
Originally Posted by mart_dev View Post
Hi. I raised this topic last year when my dad bought me a few bottles to try out. Granted my DPF wasn't clogged at the time, nor has it been since, but I did notice that after travelling some distance on the tank of fuel containing the additive there was noticeable soot coming out the exhaust under acceleration. This stopped happening once I stopped using the additive which left me wondering if the "soot" I noticed was in fact being burnt up as a result of the chemical in that additive reducing the flash point of the soot in the DPF or...was it just the stuff in that bottle burning up which caused the smoke? I guess the only way to know for sure is for someone with a confirmed clogged DPF to try it out??
When my dad's 325d wasn't doing the DPF regeneration (long story, but was the result of a bad thermostat...) he tried some of these things. He tried both the one that goes in the tank as well as the actual wash that is pushed through the DPF via the backpressure sensor hose.

While doing it, he monitored backpressure using BMWhat. He was getting right around 80mbar of backpressure at idle (normal is right 3, peaking at most to 10 right before a regen is carried out; this is from my X5)

The results for him were:
1) The one in the tank perhaps reduced it by 10 mbar at most the first time, but nothing more
2) The wash reduced it by 40mbar the first time but nothing more thereafter.

Once we got the regen to restart it went from 60mbar to 5mbar in one run. It now ranges from 15 max dropping back to 5 after regen.

MY bottomline (just mine, others draw their own...):
1) The in tank stuff is baloney, just like any other in tank additive
2) The wash does something, just not enough
and the most important
3) The regen works the best and it's enough to keep the DPF clean
4) If the DPF clogs up something else is wrong; the DPF is not the problem.
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Old 03-12-2015, 07:31 PM
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Quote:
Originally Posted by ZetaTre View Post
1) The in tank stuff is baloney, just like any other in tank additive
2) The wash does something, just not enough
and the most important
3) The regen works the best and it's enough to keep the DPF clean
4) If the DPF clogs up something else is wrong; the DPF is not the problem.
Spot on
Some additives may,or may not, help increase the regen rate if the car is driven at cold weather and short trips. But if the regen is not initiated by the DDE nothing will help.
One fact that is not widely known is that at full load some partial regeneration is done because of the high temp of the exhaust gasses and the relatively rich mixture.
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Old 03-12-2015, 07:34 PM
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Quote:
Originally Posted by Lambeau View Post
In the process of trying to locate a DPF delete pipe as I found someone who will reflash the ECU to account for DPF delete.
I hope this guy knows what he is doing
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Old 03-12-2015, 09:13 PM
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Quote:
Originally Posted by ZetaTre View Post
MY bottomline (just mine, others draw their own...):
1) The in tank stuff is baloney, just like any other in tank additive
2) The wash does something, just not enough
and the most important
3) The regen works the best and it's enough to keep the DPF clean
4) If the DPF clogs up something else is wrong; the DPF is not the problem.
Good summary.

There is a reason these additives are called snake oil. But marketing triumphs.....
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Old 03-12-2015, 09:27 PM
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Quote:
Originally Posted by bawareca View Post
I hope this guy knows what he is doing
I've deleted all 4 CATS on my M6 and had Evolve do the ECU reflash and it's been nothing but perfect. Also added a 150 HP shot of nitrous so I know something about mods that improve what the factory produces.

There are X5 35d's that have done the DPF delete in the U.S. Why the doubt? Just because you know nothing about it doesn't mean others know nothing also.
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Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming: "WOW! WHAT A RIDE!!"

2007 M6
2018 Chevy 2500HD Diesel Alaskan Edition
2011 X5 35d
1972 Chevy K20 4X4
1972 Ford F-600
1959 Chevy Viking 60 Dump Truck
2015 CanAm Outlander XT 1000

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Old 03-13-2015, 12:32 AM
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Quote:
Originally Posted by Lambeau View Post
I've deleted all 4 CATS on my M6 and had Evolve do the ECU reflash and it's been nothing but perfect. Also added a 150 HP shot of nitrous so I know something about mods that improve what the factory produces.

There are X5 35d's that have done the DPF delete in the U.S. Why the doubt? Just because you know nothing about it doesn't mean others know nothing also.
WOW, good thing is that you know the stuff that we dont know
That was just a friendly reminder, but the car and money are yours. BUT: M5/M6 have been on the market for almost 10 years now and almost anyone can "tune" them. Most are lucky because the ECU is extremely smart and well informed and will not let even beginner tuner to destroy the engine. OTOH diesels like the BMW X5 are probably less than 0.1 % of the cars in the US, and the ECUs are vastly different than the ROW. Not that they are from other planet, just very different. There are many ways to make 350 HP and it will take 35 pounds of boost to some, 30 to others and some will never get there with the engine in 1 piece.
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Old 03-13-2015, 01:19 AM
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This guy did it
Awesome sound: https://www.youtube.com/watch?v=-hHmAedyWR0

Some acceleration!: https://www.youtube.com/watch?v=r9qMgzSsHIc

Last edited by seattle; 03-13-2015 at 01:26 AM.
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Old 03-13-2015, 09:09 PM
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Yeah, this is how you blow up rear diff and, if lucky, transmission too...
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