While some automakers are doubling down on the raw, nostalgic magic of naturally aspirated engines—just look at Stellantis bringing back the beloved HEMI V8 to satisfy fans—BMW is taking a different route with the new M5. Instead of leaning into the traditional roar of a big engine, the German brand is embracing a digital trick: fake engine sound.
Now, for those of us who live for the deep, aggressive growl of a performance engine, that might sound disappointing. That noise isn’t just for show—it’s part of the experience. It’s what gets your heart racing and makes every acceleration feel alive. But thanks to stricter noise laws, better cabin insulation, and the rise of electrification, the days of naturally loud engines are slipping away. So, BMW had a choice: let the M5 go quiet—or get creative.
Enter Active Sound Design.
Rather than channeling natural intake noise like Ford does with the Mustang, BMW’s system takes a fully digital approach. It uses the car’s speakers to replicate the sound of the M5’s twin-turbo V8. And it’s not just some pre-recorded audio loop—it’s all synced in real time with the engine’s performance. The revs, torque, and speed all influence what you hear inside the cabin. Hit the gas, and you’ll get a digitally enhanced growl that rises and falls with your throttle input. Switch to Sport or Sport+ mode, and the sound gets even more aggressive to match the sharper driving dynamics.
Of course, not everyone’s a fan. Some drivers argue this kind of tech feels fake and takes away from the purity of the driving experience. Others question whether car speakers can really do justice to the thunderous voice of a true V8. And let’s be honest—shouldn’t there be an “off” switch for those of us who just want the real thing, even if it’s quieter?
BMW says the system is designed to stay within noise regulations and deliver a consistent, immersive feel for everyone in the car. But it’s clearly a balancing act—between performance and compliance, emotion and regulation, tradition and technology.
So, is fake engine sound a clever fix or just a digital band-aid? Depends on what you value most behind the wheel. For some, it’s enough to feel the illusion. For others, nothing beats the real roar.
