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      01-07-2013, 11:03 PM   #16
Second Lieutenant
Julesandtrish's Avatar

Drives: 335d
Join Date: Jan 2010
Location: North Carolina

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2010 BMW 335D  [5.00]
Originally Posted by Pierre Louis View Post
Unless you have a known problem with your car or fuel, there is no reason to use an additive. I am now going strong at 430,000 miles on my diesel vehicles without a fuel related problem and no additives.

High pressure fuel pump failures have been reported in VW common rail engines but so far there is no proof any additive would have helped.

The oil companies already use additives that are specific to the base stock available.

IDK.....I'm still a bit skeptical. I just ordered an 8 month supply of opti lube. All of the diesel heads recommend it so I figure for $50 bucks I'll give it a shot. I don't think it will hurt anything. At the end of the day I'll just be out $50. That better odds than I've done in my retirement fund.
Enjoy what you drive.