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      12-03-2012, 08:00 PM   #149
Rich_Jenkins
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Quote:
Originally Posted by MMME30W View Post
Yep, i use Costco Kirkland Signature Premium at a very busy store near Cumberland Mall, usually.

On the road, Shell V Power 93, or Chevron Super Premium.
Quote:
Originally Posted by MMME30W View Post
Personally, I'm in the camp that gas is gas leaving the refinery, with the difference in the additives. Reading I've done indicates Shell and Chevron additives are effective.

I do try to use busy stations (fresh gas) with high flow (clean filters).

Costco refomulated their gas to use 5x the detergent additives vs. before in their Kirkland Signature, so I'm fine with that.

YMMV, of course.
Quote:
Originally Posted by 6spdg37s View Post
I wonder about costco as well... 3.48 a gallon by me where premium at others is over 4.00 ..

is costco premium (93) safe to run in my M3 when i pick it up ?
Sure.

Quote:
Originally Posted by 6spdg37s View Post
so anyone have opinion on costco gas?
Yes.
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