QuantumRift
Been here awhile...
http://forum.e46fanatics.com/showthread.php?t=269465 
I've had the 2012 3.8 Genny now for a year, and I'm getting weaned off the free dealer oil changes soon. SO I will want to do my own oil changes and save money, but I don't want to do unnecessary changes. So I'm considering doing oil analysis to see what I can do for the oil intervals..
http://forum.e46fanatics.com/showthread.php?t=269465
http://www.blackstone-labs.com/

I've had the 2012 3.8 Genny now for a year, and I'm getting weaned off the free dealer oil changes soon. SO I will want to do my own oil changes and save money, but I don't want to do unnecessary changes. So I'm considering doing oil analysis to see what I can do for the oil intervals..
http://forum.e46fanatics.com/showthread.php?t=269465
http://www.blackstone-labs.com/