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10-02-2015, 10:40 PM
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#6
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Lieutenant Colonel 
Drives: M5 CS / iX 50i
Join Date: Dec 2009
Location: NY, NY, CT, PA, MD, VA, DE, FL
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Here's an update on the past 3 oil changes every 5000 miles. I had a streak of lead during my second oil change at 5888 miles but not by much.
It may have been since I did an oil change when the engine was cold.
Since then metals have decreased and am looking healthy.
Also, the latest 2500 miles or so has the catless downpipes installed, shows no negative effect on the engine I think.
Overall, much lower lead than my E92 M3 that which showed 10ppm for lead at 59800 miles. I'll post that below in another post
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