I've noticed that my BMW M3's fuel efficiency has decreased significantly over the past few months. I'm not sure what could be causing this issue. Any advice on what steps I should take to improve my car's efficiency?
ReplyOne possible reason for decreased fuel efficiency could be a clogged air filter. I would recommend checking and replacing the air filter if necessary.
Another potential cause could be low tire pressure. Make sure to regularly check and maintain proper tire pressure for optimal fuel efficiency.
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