regular gas IS unleaded...
Yes.
yes ans.The car can "burn" most anything combustible.It is designed and engineered to use Premium....as it says all over the place on it. It will not perform properly without it.
Absolutely not! The sophisticated BMW engine requires premium fuel ONLY!
As long as it does not "ping" excessively
President of the UNICEF Executive Board at the Second Regular Session 2010
Regular Cigarettes VS. Light Cigarettes
Her Excellency Sanja Štiglic at the UNICEF's First Regular Session of 2011
How to Perform a Frontfoot Frontside Boardslide to a Regular