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      04-01-2020, 09:03 AM   #5
performance_outlaw
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Poland
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Drives: 3x E46M3, F32 435i
Join Date: Aug 2019
Location: Poland

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Garage List
2015 435i  [0.00]
2002 E46 M3  [0.00]
2003 E46 M3  [0.00]
2005 E46 M3 Competi ...  [0.00]
I use OEM and Millers NT10W60 on all 3 E46 M3's I own. Every 2nd oil change I take 100ml of oil from mid stream while drain oil pan and send for inspection. Lab test is giving full report, and you can see does the oil composition contain con rod or main bearing inclosions over the limit. I don't put a lot of kilometers, but as the cars stand still and are not runned very often, bearings tend to wear fast. Cold starts are the worst.
I believe in normal conditions, con rod bearings should be replaced every 50k mls, and main can do double. And it doesn't matter is it pre 2003 or latest itteration of S54.
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2002 M3 Carbon/Imola
2003 M3 Black/Black
2005 M3 Competition Interlagos/Cinnamon slicktop
2015 435i MPPK, MPE and Mdiff Alpine White/Coral