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Old 08-08-2010, 06:01 PM   #4 (permalink)
tumnasgt
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Join Date: Feb 2010
Location: Wellington, NZ
Posts: 158

The Charger - '15 BMW i3
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If the engine is designed for 87, you'll almost definitely see zero benefit from using 91. On the other hand, there's no harm in trying higher grade fuel (other than too your bank account).
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