
Originally Posted by
Type 100
Huh?!
Black oil means the oil is doing its job suspending the dirt in your engine. I'd be very worried if you drove 10000 km on oil that still looked fresh.
Just follow the recommended change interval...if anything they're actually a little too short. Even your ordinary mineral oil will have no problems unchanged after 10,000 km, such is the high quality of motor oil nowadays over 20 years ago.