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Originally Posted by merkis1024
Very interesting. Thanks for sharing. I just did some more research on diesel and was wondering if it had to do with cetane rating or the composition of biodiesel (B5 vs B100 or pure petrodiesel), but your reply suggests that the additives are the dominant contributing factor here in CBU. I'll do some more research on STP additives myself. Again, thanks for sharing your knowledge!
FYI, some other diesel heads have shared that Chevron will have 49 cetane rating. Some regions with Chevron's Diesel Techron reportedly have 51.
The next best bet, at least in the west coast, is ConocoPhilips (76), which offers 47 cetane rating.
These numbers were provided by corporate employees, apparently.
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Yes, cetane seems to matter, and more so in the 335d high revving high performance "light duty" diesel, as you know BMW specifies a cetane number of 51 for this engine in NA.
Cheers.
PL