BMW 3 Series engines – timing belt or chain?

Generations

BMW 3 Series G20 (2019-) 7. generation

BMW 3 Series F30 (2011 – 2019) 6. generation

BMW 3 Series E90 (2005 – 2013) 5. generation

BMW 3 Series E46 (1998 – 2007) 4. generation

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