Quote:
Originally Posted by BPMSport
Change the thermostat/radiator. The oil is creeping up because the coolant temps are higher than they should be.
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So ditch the CSF rad ? Was already thinking about replacing the thermostat but others said it would throw a code before going bad. Was replaced 3 years ago with an oe bmw thermostat. Guessing 45-50k miles on it. Was done by previous owner.