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      04-04-2013, 11:27 PM   #4
Second Lieutenant

BillionPa's Avatar
Drives: 335i
Join Date: Feb 2013
Location: USA

Posts: 288
iTrader: (0)

If you want an edge, buy Redline oil (5W30 or 10W40, NOT 5W40)

I am using a 50/50 mix of Castrol 0W03 and Redline 5W30, works good.
I ran LubroMoly 0W40 and 5W40 back in the day on a diff car, used oil analysis suggests the Castrol 0W30 has much better wear characteristics than either.