Not as long as the premium fuel is also unleaded.
Premium unleaded is recommended, but I'm running 92 octane std unleaded at the moment, hasn't made any difference. Pete
" regular " unleaded , 87 octane
Premium unleaded 98 Octane
BMW always recommends using 98 RON petrol (gas). Which is premium unleaded.
Premium Unleaded 91 octane fuel.
yes. 90% of newer acura's require it. It should be in the service manual as well as on the instrument panel where the gas gauge is. " Premium unleaded only"
Regular unleaded is the recommended fuel for a 1999 Jeep Grand Cherokee.
With a stock ecu from factory 98 premium. You can get it remapped (standalone) to use e85. Simple answer : premium unleaded. I use shell optimax and it serves me well. I have a 250hp fc turbo softop
Putting worries about politics aside you should be more concerned about plagiarism.
Usually unleaded mate. Although you can put anything in the gas tank that unleaded, I know to get the best out of the car I always Put 93 which is premium. When I use this it always makes my Diamante run so much better.
According to the 1999 Lincoln Navigator Owner Guide : It depends on which engine you have : The 5.4 liter ( 2 valve per engine cylinder ) takes ( " regular " unleaded gasoline , 87 octane ) The 5.4 liter ( 4 valve per engine cylinder ) takes ( " premium " unleaded gasoline , 91 octane ) * there should be a Premium Fuel Required / Recommended sticker inside the fuel filler door
87 Octane should be used under all circumstances. Anything higher is not necessary, unles the owners manual says premium fuel required.