How do I improve gas mileage on my BMW M7?

I'm a BMW enthusiast and love my M7, but I've noticed it's not getting the gas mileage it used to. I want to make sure I'm optimizing my fuel usage. What can I do to improve the gas mileage on my M7?

First, make sure your tires are properly inflated. Under-inflated tires can decrease gas mileage. Also, try to avoid excessive idling and aggressive driving.

Consider installing a performance chip or reprogramming the engine control unit to optimize fuel injection and timing.

Regularly replace air filters and spark plugs to ensure efficient engine performance.