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Old 01-23-2012, 05:19 PM
Hoosier1 Hoosier1 is offline
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Location: Indiana
Join Date: Feb 2011
Posts: 37
Mein Auto: 2011 528i Dark Graphite
The fuel door has a label specifying the minimum octane level. My indicates 91. I have owned three BMW's and never used anything less than 91.
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