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
I use Castrol Synthetic 10w-30 on mine.
It’s thicker oil, so I feel like it gives the engine better protection. With 272k miles on it, I figured why not.
I’ve been running Castrol GTX 10w30 conventional in my 9000 Aero. Brought it to a Saab specialist and he recommended it. Need to have the valve seals redone and the oil is thick enough that it doesn’t get past the seals and no smoke. No issues running it. I change it every 3 months regardless of how far I’ve driven.
Good results with Castrol Edge Euro full synthetic. No issues. 138,000 miles, no oil consumption or smoke.
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 Castrol for my 05 320 cdi. It meets the extended service oil spec, but I run it as "regular" oil.
I’m stupid and like Castrol. Is it any better than the Walmart 5w30 synthetic? No. It just usually comes with a filter if I buy it with a coupon.
Yes, Castrol is crapola, so is Kendall. Valvoline is the best.
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