I have noticed that my BMW 7 Series' fuel efficiency has been decreasing over time. Is there a specific reason for this and what can I do to improve it?
ReplyOne possible reason for the decrease in fuel efficiency could be due to dirty fuel injectors. It is recommended to have them cleaned every 30,000 miles for optimal performance.
Another reason could be low tire pressure. Make sure to regularly check and inflate your tires to the correct pressure, as under-inflated tires can decrease fuel efficiency.
You may also want to consider the type of fuel you are using. Premium fuels may offer better performance and fuel efficiency compared to regular unleaded gasoline.
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