m3 g80

BMW M3 Competition By Senner Tuning Makes 630 Horsepower

BMW M3 Competition By Senner Tuning Makes 630 Horsepower

After Manhart unveiled its MH3 GTR package for the M3 yesterday, another German tuner is taking a crack at upgrading the already potent super sedan. Senner has also focused on the Competition version and decided…

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