To improve your mileage, I'd suggest 60-65 vs 80. At 80 with that much wgt you would be lucky to get 10+ mpg. If it is a windy day, I'd even recommend 50-55 for control. Remember the old Florida license motto, "ARRIVE ALIVE".

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Mark _______________________________
2001 X5 4.4i topaz blue/sand Sport, complete Dinan S2 , hitch, V1, tint, BSW Stage 1, Alpine INA-W910BT
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