Here are seven tips that could save you a few $$$$$....1-) REFUEL EARLY IN THE MORNING, IF POSSIBLE RIGHT BEFORE THE SUN COMES OUT..... 2-) DON'T REFUEL IF YOU SEE THE FUEL TRUCK PUTTING FUEL IN THE TANKS OF THE GAS STATION. WAIT AT LEAST A DAY FOR THE CONTAMINATED FUEL TO SETTLE AT THE BOTTOM OF THE TANKS BEFORE REFUELING AT THAT GAS STATION....3-) BMW RECOMMENDS TO USE CHEVRON PREMIUM TYPE FUEL....4-) TRY TO USE MORE FREEWAYS......5-)REDUCE THE APPETITE FOR SPEEDING (HARD TO DO WHEN YOU DRIVE THE ULTIMATE DRIVING MACHINE!)...6-) USE YOUR CRUISE CONTROL MORE OFTEN...7-) AVOID ANYTHING THAT CAUSES DRAG ON YOUR CAR, LIKE USING YOUR WINDOWS DOWN WHEN USING THE FREEWAY.