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Originally Posted by Quicksilver
MBZ requires B5 bio diesel blend. What fuel will BMW require and what is the avaliability of B5 bio diesel blend fuel in different states?
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I don't believe that MB requires B5, they tolerate it. All part of being green 
From MB web source:
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Mercedes-Benz USA now approves the use of B5 bio diesel (standard diesel with a maximum 5% bio diesel content) in all Common Rail Injection Diesel "CDI-engines." As bio-diesel can be refined from a variety of raw materials resulting in widely varying properties, the only approved bio diesel content is one that meets ASTM D6751 specification and that has additionally the necessary oxidation stability (min. 6H, proved with EN14112 method) to prevent damages to the system from deposits and/or corrosion. Please ask your service station for further information. If the B5 bio diesel blend is not sufficiently labeled to clearly indicate that it meets the above standards, please do not use it.
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As MD notes above, B5 isn't a standard, it is blend % indicating base stock source. Standards come from ASTM and SAE, not special interest groups.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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