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Premium Gas on '92 190E
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07-24-2007, 03:07 PM
shingleback
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Join Date: Jul 2006
Location: Vancouver, BC Canada
Posts: 265
My 190E pings with 87 octane but not with 92. I also get better fuel mileage with the 92.
I would stick with minimum 91 octane to avoid pinging, as you don't hear all the pinging, and the damage is done over a long term.
shingleback
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