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
Premium unleaded 98 Octane
" regular " unleaded , 87 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.