Can Bad Spark Plugs Affect the Fuel Economy of My BMW 2 Series?

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Can Bad Spark Plugs Affect the Fuel Economy of My BMW 2 Series?

I’ve noticed a in my BMW 2 Series fuel efficiency lately. Could worn-out spark plugs be the reason for increased fuel consumption? How do I check if they are causing this issue?

Garitips asked on 19 Feb 2025 16:16:06 pm

1 Answer

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Garitips - on 20 Feb 2025 14:31:18 pm

Yes, bad spark plugs can reduce fuel economy in your BMW 2 Series by causing incomplete combustion, engine misfires, and poor acceleration. Replacing them on time every 30,000–40,000 km ensures optimal fuel efficiency and performance