Miller MAF, what octane gas?

[cablehaze15]

my car has a miller MAF that the previous-previous owner installed. forgot to ask the PO if he was running a higher octane gas... should i be? or is that only with a chip?

[eta1987]

u should just replace it with a stock maf and sell it to me for....$25? then u can just run the cheap 87! let me know

[bmw325csi]

91 octane minimum please

[MR 325]

Definitely premium. I can almost guarantee it's tuned for it.

[Lunner]

my car has a miller MAF that the previous-previous owner installed. forgot to ask the PO if he was running a higher octane gas... should i be? or is that only with a chip?

MAF comes with a chip, so you have one, or it wouldn't be running right / at all. And like everyone said it's more than likely tuned for 91, so run it.

[blocke]

I asked the same question to Brody @ Miller before I bought my MAF conversion. The chip that runs the MAF is tuned for 91 octane.