I know my lead is high at 18. I'm hoping my switch to castrol 0w40 will improve my lead count. Other M3 drivers have switched to a 0w40 oil and cut their lead levels in half. I'm going to pull a sample at 5k and see if my numbers improve.

Code:
Oil Castrol      10w-60
Miles in use     14k
Miles            42k
Sample Taken     3/14/14

                                        
ALUMINUM	7                       
CHROMIUM	0                       
IRON	        11                      
COPPER          4                       	
LEAD	        18                      
TIN	        0                       
MOLYBDENUM	150                     
NICKEL       	0                       
MANGANESE	1                       
SILVER        	0                      
TITANIUM        29                      
POTASSIUM	2                       
BORON     	28
SILICON     	5
SODIUM      	5
CALCIUM    	2480
MAGNESIUM	176
PHOSPHORUS	786
ZINC         	922
BARIUM     	0

SUS Viscosity @ 210F	91.6
cSt Viscosity @ 100C	18.37
Flashpoint in F	415
Fuel %	                <0.5
Antifreeze %	         0.0
Water %	                 0.0
Insolubles %	         0.1
TBN	                 2.5