Originally Posted by Bimmer B
Not trying to completely ignore your question but, I was told by a BMW mechanic to ONLY use Shell and Esso fuel. There's 0% ethanol added to their fuel saving you money in the long run(carbon deposits). He also mentioned 91 is all you'll ever want to use.
Was your question based on the price?
0 ethanol in chevron 94. Told by both Parkshore and Victoria BMW to use chevron, as well as every other enthusiast I've happened to talk to. Plus, chevrons minimum rating is 94 octane, unlike other stations that offer a maximum octane of 91-92.