How do I prevent carbon buildup in my BMW M5 engine?

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Alex Smith 3 hours ago

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How do I prevent carbon buildup in my BMW M5 engine?

I've noticed my BMW M5 engine is producing a lot of black smoke and has decreased performance. How can I prevent carbon buildup in the engine and improve overall performance?

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Talk BMW - Explore BMW Car Mats

**John Baker** · Answer 1 · 2025-07-14T09:40:12+00:00

Regularly check and replace your air filters to allow proper air flow and prevent buildup. Also, consider using a fuel system cleaner to remove any existing carbon deposits.