I put Mobil 1 4 Stroke Synthetic into my Ninja 250. Honestly, any reputable brand 10W-40 oil will do if you change it routinely.
Owner reviews for engine oil
People swear by Motul 7100 Synthetic Oil 4T.
Liqui moly
Motul with oem black filter
In the past I always swore by Amsoil or Mobile 1.
It looks like even with the mileage difference, Amsoil still outperformed in most categories. Pretty impressive.
As long as it meets the spec for the engine it doesn’t matter. I use Liqui Moly personally.
Running Liqui-Moly in my E46 M3, so far no complaints. Have put ~2k miles in the last 10 months, and the oil hasn’t been burning/leaking whatsoever!
I run LM on my track car and it’s fine . Drive 2.5 hours , beat the living shit out of it, drive home no issues
For 10W-60, if you compare the data sheets of every one available the Liqui-Moly is the closest in spec to the original Castrol TWS that the engine was designed for. That's why I stick with the LM after BMW and Castrol parted ways. Been using it in my cars and clients for 10 years now.
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