Been using the Motul 7100 4t.. My 390 is flawless till now even after 38k kms.
Have been using Motul 5w30 for many years now...
I use Mazdas 5w-30 Ultra DPF. Mazda once said that this was the oil that they're using, so I guess what's used by mazda can't be too bad for the rex
Dt 40… also use motul xcess gen 2 in the 986, the cayenne and a couple of bimmers. Blackstone reports look g great with all of them.
I use Motul 8100 EcoLite in mine. Paired with the appropriate Motul fluids in the trans and diff, and RBF660 in the brake lines.
Motul 5W-30.
I'm running 10w60 MOTUL 7100, I sit on the revs though, always Tach out!
I recommend Motul and I advise tou to never use RS8, it's a rebarded Xhina brand.
I was at LordCo recently and one of the workers was going off while i was looking at Motul.
Get the regular Motul if you feel you need to use the recommended brand, but the Twin is definitely not needed.
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