Quote:
Originally Posted by Irish-Texan
Here's a question y'all might want to contemplate.
Ask your dealer what octane gas they put in their BMW loaners, or what octane gas they use to fill your tank on initial delivery (assuming you got a full tank on delivery).
Asked that question myself and the number is not 91 or 93.
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Same here. Our local dealer puts regular unleaded (87/89) into their loaners.