Engine oil Castrol or MOTUL
Castrol is great option if it is not fake, also make sure to change oil every 10000km (6200 miles). Those engines are bulletproof, should cause no issues
Castrol Edge 5w-30 Full Synthetic Euro Car. It carries the BMW Longlife 01 cert.
I recently did my first track day on a day with 105 degrees temps. I went with Castrol Edge 5w-30 and the car did amazing.
I use Motul 8100 EcoLite in mine. Paired with the appropriate Motul fluids in the trans and diff, and RBF660 in the brake lines.
I use Castrol for my 05 320 cdi. It meets the extended service oil spec, but I run it as "regular" oil.
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 use the Castrol 10w50 that the dealer gives me for my 18 RS. I have clutch slip issues and it seems to keep it mostly under control vs Motul 7100 or 300V
Car has been at the stealership for three weeks. Same transmission TC seal leak. Bolts and seals also needed replacing. Car is 45 days old with 4K KM’s.
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