Dominator is a excellent oil
Dominator is great in saws. The only issue is that I'm small saws especially, and at thicker ratios, like more oil than 40:1, some bike oils will not burn completely and will gum up mufflers, screens, piston tops. Mostly high performance racing oils.
Castrol full sinthetic.
Or Motul 7100, even better.
I use Castrol on my z4. Works like a charm
Castro Synth. is all i ever used in my BMW 60,000miles runs perfect change every 7,000 miles
(5w-40)
After some research I heard people use 5w40 to quiet the motor down and lubricate the lifters better for high mileage engines. picked up some castrol edge 5w-40 and it runs buttery smooth, noticeably quieter and another big thing is oil consumption drops A LOT due to the oil being thicker and harder to burn or leak. I used to need maybe a quart a month now Ik down to half a quart a month.
I use this Castrol Edge 5w40 for 5 years already in my e46’s m54b30. No issues. Trying to stick to 10k km intervals.
In my e39 M54B30 473k km I am dumping Castrol Magnatec 5w-40.
Nothing to complain.
Amsoil Z-rod. You need zddp or you can kiss your cam lobes good-bye.
Suggested I change oil from Castrol Syntec to maybe Royal Purple or Amsoil.
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