Listen to the exhaust note of the new plug-in hybrid #BMW M5! Its twin-turbo 4.4-liter V-8 produces 577 ponies, while its electric motor contributes 194 horsepower for a total of 717 hp. How do you think it sounds? #2025 #BMWM5 #hybrid #sportssedan #review #test #carsofinstagram #cargram #roadandtrack 📹 aaronmaxb