Engine oil Castrol or OEM Mazda
As someone who lives in Florida, and has a high mileage m54 motor, I only use Castrol 5w40 and 5w30 if I cant find the first option. Runs amazing and daily driven with some abuse lol
Go to wallmart and buy two jugs of Castrol Edge Full Synthetic 5W-30 and then just purchase a couple filters off of FCP Euro.
The 2020 has been great but the engine still clacked and groan albeit nowhere near the 19. With the 0.5 quart of Castrol 5W50 I love the car now! Pickup is great and the engine being pettier seems to help the transmission shift better also.
I use edge 5w40, I switched from 5w30 and oil consumption has went way down and it feels like the engine runs smoother.
Castrol 5W-40 Euro been using it since 20k miles now at 160k mile zero issues other then gasket leaks.
I use Castrol Edge High Millage and a STP XL filter or Mobil 1.
Castrol Edge Extended Performance, 5w30
Mine uses Castrol I believe.
I use the 5W-40 in my e46.
I've used both, M1 was quiter and yes it did burn a quater quart more in the same period.
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