Interesting about the GKN grease. Out of curiousity, I went to the GKN website and they still show two distinct greases. I've attached the relevant page from their brochure. I wonder if the two grease packets just LOOKED the same, but were actually two different greases? The grease for the outer should have a grayish tint from the moly additive, while the inner grease shouldn't.

AM.

GKN Grease.pdf

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E70 2010 3.0 M57 AT Titanium Silver with Black Leather
E53 2004 3.0 M54 AT Toledo Blue with Gray Leather
E83 2008 3.0 N52 AT Silver Gray Metallic with Black Vinyl
E46 1999 2.8 M52TU 5MT Black with Tan Leather 250K+ miles (Sold, but not forgotten)