Octane booster doesn't help much. It will only raise the octane a few points. Either drive carefully for half a tank and top off with premium, or throw some Toluene in. That'll raise the octane. Just don't get any on your paint.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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