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Non VW Group Diesels This section is for discusion of Non VWGroup Diesels.

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Old January 13th, 2018, 13:19   #1
pdh
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Default Fuel Additives in BMW Diesel

Do you BMW owners typically add any fuel additives....especially LiquiMoly Diesel Treatment?
Does the BMW hi pressure fuel pump need additional fuel lubrication due to ultra low sulfur fuel?
I have 2014 328d w/40k which I purchased CPO in November 2017....an amazing car. I Have not found a BMW Diesel forum nearly as good as the TDI Club.
I have had 3 TDI's since 2006 and also have a "new" 2015 Golf TDI after I sold my 2011 Jetta back to VW. Thank you
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Old January 13th, 2018, 14:34   #2
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I use Opti-Lube XPD or Stanadyne in all my diesels, including my 335d. It's fine for current emissions systems, provides lubricity which I feel benefits the HPFP, and also provides anti-gel protection.

I've used lubricity additives in my diesels pretty religiously since the early 2000s. ULSD has much lower lubricity than higher sulfur fuels, and I don't think you can count on corrective additive dosing by fuel distributors. The amount of fuel gelling we've seen in New England in the past couple weeks supports that belief.

IMO it doesn't really matter what additive you use, just use one.
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Old January 14th, 2018, 11:21   #3
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Quote:
Originally Posted by pdh View Post
Do you BMW owners typically add any fuel additives....especially LiquiMoly Diesel Treatment?
Does the BMW hi pressure fuel pump need additional fuel lubrication due to ultra low sulfur fuel?
I have 2014 328d w/40k which I purchased CPO in November 2017....an amazing car. I Have not found a BMW Diesel forum nearly as good as the TDI Club.
I have had 3 TDI's since 2006 and also have a "new" 2015 Golf TDI after I sold my 2011 Jetta back to VW. Thank you
I'm happy to not use aftermarket additives. Just coincidence, the two times I did, something went really wrong with the car: the first was leaky fuel lines (E320 CDI, PowerService Silver) the second was damaged (335d, replaced under warranty) catalytic converters and NOx sensors (older version of Sta-Bil diesel).

The technical specs required of ULSD imply improved lubricity through more consistency and higher overall quality compared to LSD.

But to argue about this, especially on this forum, will not be very fruitful.

If you use Google, you can find the two forums on BMW diesels. They have lots of threads on additives. In a word, BMW does not recommend additives. I do know BMW uses the Bosch CP4 pump in the 328d which has proven to cause more problems (in VW's) than the CP3 in BMW 6 cylinder models.

Cheers,

TM
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Old January 14th, 2018, 11:54   #4
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I believe the VW does not recommend additives either. They did, briefly, when the PD engines were in use, but not since.

I also agree that arguing about this in a forum probably isn't useful. People should consider their confidence in their local fuel supply and make their own decision. I know folks who've had diesels last a long time with no use of additives, and I also know people who have experienced lubricity related component failure in diesels.

Overall, do what you feel comfortable with.
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Old January 14th, 2018, 13:15   #5
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I don't use additives when I'm Canada, as the lubricity (mandated B2) is decent here. Every time I drive down into WA and I fuel up with either the 335d or PD, I'll use Power Service White.
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Old January 14th, 2018, 14:40   #6
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I've used additives, especially during winters on my Jetta TDI, A3 TDI and now on my E320 CDI.
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Old January 15th, 2018, 22:44   #7
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About a Year ago, Cummins the worlds largest diesel engine manufacturer officially endorsed a couple of power service additives. That gave me more confidence in additives .

FYI, Cummins also uses both the cp3 and cp4 pumps for their engines .
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Old January 16th, 2018, 08:41   #8
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And in terms of forums, I haven't found anything that is as good as TDIclub, however you might try bimmerfest. I have been lurking there since I got my BMW and there is some decent info in among the usual wheel/tire/tint discussion. (Also, you might recognize a couple user names from here...)
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Old January 21st, 2018, 11:29   #9
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I use Opti-Lube XPD in my TDI and My 328D every tank little more this Winter because of the Cold....
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