| i only get gas from chevron or esso, heard gud stories about them so obiviously not cheap as gas places and actually i forgot to mention i had the check engine light on scanned it and it said something about o2 heater i know that will effect for sure, so ur saying i should stick with 91 oct gas? mines 2001, has about 98000 miles on it replaced spark plugs day or two ago. r u gud with bmw m54 engines |