Quote Originally Posted by EuroDude View Post
From the Mobil site:
"The octane in Mobil E10 Unleaded is typically above 93 RON"

The Euro engine needs at least 95RON.

Why do I mix?

- to ensure the fuel is at least 95RON
- the car runs smooth on ethanol
- the cleaning agents in 98RON are better than 95RON
- Overall cheaper than plain 95RON
Go use BP's 95 RON ethanol blend. That is advertised as a 95 RON.