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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #1  
Old 02-27-2012, 05:35 PM
wanderlust wanderlust is offline
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Question Diesel Analysis

Anyone know a relatively inexpensive place to send diesel for analysis? AMSOIL seems to be $114 a sample. Any cheaper alternatives?
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  #2  
Old 02-27-2012, 05:38 PM
d geek d geek is offline
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What diesel fuel attributes are you interested in?
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  #3  
Old 02-27-2012, 05:48 PM
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Flyingman Flyingman is offline
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Quote:
Originally Posted by wanderlust View Post
Anyone know a relatively inexpensive place to send diesel for analysis? AMSOIL seems to be $114 a sample. Any cheaper alternatives?
I used to be the fueling officer on a Navy Underway Replensihment/Ammo ship. We had a Huey (twin rotor) that traveled with us.

I had to personally sample and test every batch of fuel that went into that bird.

All I did was pour some into a clear glass container, swirl it, and verify there was no water or sediment. I had to do this in front of the pilots eyes before he would allow me to fill up his tank.

Never had a problem.

Alternatively your could try Lubriport in Louisiana: http://www.lubriport.com/contact_us.html

I also have a good friend at DNV Petroleum testing Services in Houston. If I asked perhaps they could do an analysis for me for free, but I'd have to have a good reason to be sending them a sample, like I suspected it was harmful to my engine.
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  #4  
Old 02-28-2012, 02:28 PM
wanderlust wanderlust is offline
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Mainly Cetane rating since no one lists around here, also there are 3 refinery's in my state so its possible that the diesel comes from different places...

Last edited by wanderlust; 02-28-2012 at 02:29 PM.
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  #5  
Old 02-28-2012, 02:36 PM
d geek d geek is offline
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I'm not sure that would be worth much. I'd be more interested in lubricity than cetane.

Have you tried to contact the fuel distributors who move fuel from the terminal to the retail station?
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Old 02-28-2012, 02:38 PM
F32Fleet F32Fleet is offline
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Quote:
Originally Posted by wanderlust View Post
Mainly Cetane rating since no one lists around here, also there are 3 refinery's in my state so its possible that the diesel comes from different places...
Every shipment received at a station will be slightly different unless it specifically states the cetane on the pump.
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Old 02-28-2012, 07:06 PM
wanderlust wanderlust is offline
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Originally Posted by d geek View Post
I'm not sure that would be worth much. I'd be more interested in lubricity than cetane.

Have you tried to contact the fuel distributors who move fuel from the terminal to the retail station?
I actually thought of emailing the refinery in my city and also the shell one at the gulf as I figure someone there would know. Im more looking for ballpark figures, I plan to add 1 oz of optilube summer blend to boost just lubricity. I have shell, chevron, texaco, bp, mapco and a pilot station as well as a local chain called kangaroo express.
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  #8  
Old 02-29-2012, 10:30 AM
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Axel61 Axel61 is offline
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@Flyingman youre a squid also, welcome aboard SHIPMATE!!

@wanderlust I never knew AMSOIL was charging for this service last time I used their service was because my 2000 Nissan crew cab had sludge in the motor and i was using AMSOIL, Nissan stated its was the AMSOIL issue, I sent a sample and they came back saying i had FAULTY sensor which NISSAN said it was incorrect, 6 mo later a recall on a sensor was sent to us i sold the truck after that. I stick to AMSOIL as of today, their CETANE BOOSTER is awesome
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Old 02-29-2012, 10:41 AM
Snipe656 Snipe656 is offline
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Quote:
Originally Posted by BMWTurboDzl View Post
Every shipment received at a station will be slightly different unless it specifically states the cetane on the pump.
While that is true there is a base number they will guarantee so it will be at least X amount. Many though will just say 42 which is not all that helpful of information.
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  #10  
Old 02-29-2012, 11:55 AM
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Quote:
Originally Posted by Axel61 View Post
@Flyingman youre a squid also, welcome aboard SHIPMATE!!

@wanderlust I never knew AMSOIL was charging for this service last time I used their service was because my 2000 Nissan crew cab had sludge in the motor and i was using AMSOIL, Nissan stated its was the AMSOIL issue, I sent a sample and they came back saying i had FAULTY sensor which NISSAN said it was incorrect, 6 mo later a recall on a sensor was sent to us i sold the truck after that. I stick to AMSOIL as of today, their CETANE BOOSTER is awesome
Actually, Snipe and I are Merchant Mariners.
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  #11  
Old 02-29-2012, 02:18 PM
F32Fleet F32Fleet is offline
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Originally Posted by Snipe656 View Post
While that is true there is a base number they will guarantee so it will be at least X amount. Many though will just say 42 which is not all that helpful of information.
or 40. Too bad we don't have euro quality fuel.
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  #12  
Old 03-08-2012, 10:49 AM
Turbo_525 Turbo_525 is offline
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Quote:
Originally Posted by wanderlust View Post
Mainly Cetane rating since no one lists around here, also there are 3 refinery's in my state so its possible that the diesel comes from different places...
From Wikipedia - "Generally, diesel engines operate well with a CN from 40 to 55. Fuels with higher cetane number have shorter ignition delays, providing more time for the fuel combustion process to be completed. Hence, higher speed diesel engines operate more effectively with higher cetane number fuels. There is no performance or emission advantage when the CN is raised past approximately 55; after this point, the fuel's performance hits a plateau"

And: "In North America, most states adopt ASTM D975 as their diesel fuel standard and the minimum cetane number is set at 40, with typical values in the 42-45 range. Premium diesels may or may not have higher cetane, depending on the supplier. Premium diesel often use additives to improve CN and lubricity, detergents to clean the fuel injectors and minimize carbon deposits, water dispersants, and other additives depending on geographical and seasonal needs."

Therfore - fill up, leave additives behind, and drive the car. In 11 years of owning a Cummins diesel Ram, I have yet to ever add anything to the tank. Not needed.
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