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      04-22-2012, 04:41 PM   #5
DnA Diesel
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Drives: 09 335d Sport SGrey/Blk/Blk
Join Date: Dec 2009
Location: Kingston, Ontario, Canada

Posts: 1,101
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GD, lots of oils now meet BMW LL04. Castrol Pro Diesel 5W30 is what BMW dealers use, but Motul, Mobil, AMSOIL and other Castrol products also meet LL04 specs. The LL04 spec as well as others like the ACEA C3/C4 and API CJ-4 spec and others are meant to have low ash components so that oil ingested during the EGR process does not plug up the diesel particulate filter.

Cheers
D.
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