The BMW CEO said that instead of demoting the M3 to a 4-cylinder engine, the next generation of the M3 series will retain all of the 6-cylinder. He also said that a 4-cylinder engine cannot match the consistent performance of the larger 3.0 Litre engine on a race track. To add to this information, the continuous performance output would make it difficult to downsize to a four-cylinder if the driver is driving on a track.
BMW M3’s Origins goes back to a 4-cylinder engine
BMW enthusiasts might argue that the original M3 had a 4-cylinder engine but the smaller powertrain was preferred for the lightness, resulting in a better handling of the car overall. The BMW M3 2025 variant is much heavier than the 1986 original M3 as the first generation BMW M3 weighed around 1200 kgs and the 2025 variant weights around extra 580 kgs.
Audi’s philosophy similar to BMW's
Audi has also rejected the idea of putting 4-cylinder engines in the performance-focused RS cars, whereas the German Giant Volkswagen has suggested that 4-cylinder is required to operate within the stringent emission regulations.
Conclusion
The BMW M3 will stay loyal to its 6-cylinder heritage, guaranteeing excellent performance and reliability fit for the racetrack. Although the original M3's 4-cylinder engine helped it weigh less, more recent models have become heavier, making downsizing unfeasible. BMW's choice is consistent with Audi's policy of keeping performance vehicles' engines larger, as opposed to Volkswagen's emphasis on emissions compliance. BMW is dedicated to providing exhilarating driving experiences while striking a balance between history and innovation in the rapidly changing automotive industry as it develops an electric M3.
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