Quote:
Originally Posted by ripp222
And here were Blackstone Laboratory's comments after my 2nd change (35k miles on the oil).
"Some very nice improvements turned up in this second sample from your transfer case. Aluminum, iron, and nickel are still just high enough compared to averages that we're going to leave them highlighted for now, but hopefully they'll keep improving like this in the future. ...."
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Did they tell you what their definition of average was and how many were in the sample population? All transfer cases? All BMW transfer cases? All X-drive transfer cases?
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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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