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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > Diesel Cetane Rating 40 or 45?



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      03-27-2013, 06:07 AM   #23
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damn you guys got me thinking going to check my local supplier here in the Island
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      04-01-2013, 07:26 PM   #24
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Any premium diesel stations available in Nassau or Queens?
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      04-01-2013, 08:27 PM   #25
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Any premium diesel stations available in Nassau or Queens?
No.
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      05-08-2013, 08:03 PM   #26
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FYI, I started a DMV Premium Diesel thread after finding my first!

http://www.e90post.com/forums/showth...4#post13958194
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      05-09-2013, 12:10 PM   #27
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I see no cetane rating stickers on the pumps on Massachusetts...


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      05-09-2013, 02:15 PM   #28
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In Finland the Neste Pro Diesel have setane minimum 55, average 57...

http://www.neste.fi/doc/150425_fi.pdf
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      05-10-2013, 07:01 AM   #29
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In Finland the Neste Pro Diesel have setane minimum 55, average 57...

http://www.neste.fi/doc/150425_fi.pdf
I've always wondered what politics were behind the decision to not follow Europe with regards to diesel fuel quality. Perhaps mu government wasn't willing to reduce its cut (ie tax) to offset the increased refining cost.
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      05-10-2013, 08:13 PM   #30
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I've always wondered what politics were behind the decision to not follow Europe with regards to diesel fuel quality. Perhaps mu government wasn't willing to reduce its cut (ie tax) to offset the increased refining cost.
It isn't politics so much as need: most of the US isn't cold enough to require higher cetane to help while starting. And after the engine is started, cetane appears to have little or no effect on mileage or power.
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      05-10-2013, 08:22 PM   #31
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It isn't politics so much as need: most of the US isn't cold enough to require higher cetane to help while starting. And after the engine is started, cetane appears to have little or no effect on mileage or power.
Which would explain why most of the "premium diesel" is located in the northern tier states. But it does not explain why the party line for BMW is to run 51 cetane or higher.
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      05-10-2013, 08:31 PM   #32
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In Finland the Neste Pro Diesel have setane minimum 55, average 57...

http://www.neste.fi/doc/150425_fi.pdf
...AND e91 335ds! ...jealous.
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      05-11-2013, 12:36 AM   #33
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It isn't politics so much as need: most of the US isn't cold enough to require higher cetane to help while starting. And after the engine is started, cetane appears to have little or no effect on mileage or power.
Colder climate is one reason why we have this fuel, but also Neste Oil claims that it actually increases power up to 4% compared to regular Neste diesel.

http://www.nesteoil.com/default.asp?...3-410A163D51DD

I my self have notised this in dyno: exactly same conditions (temperature +1 c, raining, same time of year, one year apart) with same engine map Pro Diesel gave 11hp and 5Nm more power than regular Neste Oil diesel.

One might say itīs only coincidence and never the conditions are exactly the same but for me anyway itīs a difference.
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Last edited by JP-76; 05-11-2013 at 12:48 AM.
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      05-11-2013, 08:51 AM   #34
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All this talk about fuel led me to some research in my neck of the woods, and I was pleasantly surprised that some of our fuel stations actually provide online technical information.

http://southlandco-op.ca/index.php?id=33

I would love to see Fuel information presented like this for all the suppliers.
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      05-11-2013, 02:05 PM   #35
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It isn't politics so much as need: most of the US isn't cold enough to require higher cetane to help while starting. And after the engine is started, cetane appears to have little or no effect on mileage or power.
True but I'm thinking wear scar of less than 460um.
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      05-11-2013, 05:47 PM   #36
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True but I'm thinking wear scar of less than 460um.
The existance of 5% biodiesel in virtually all oil I've seen is sufficient to give that.
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      05-11-2013, 08:44 PM   #37
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The existance of 5% biodiesel in virtually all oil I've seen is sufficient to give that.
Of course but that doesn't change the fact that the law doesn't require a euro level of lubricity.
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