Why F1's Most Powerful Engine Was BANNED

The most powerful engine in Formula 1 history, the BMW M12/13 turbo, made over 1,400 horsepower from just 1.5 liters — and it was built on the block of an 80-horsepower family sedan. Here is how engineer Paul Rosche turned the humble BMW M10 engine into a turbocharged F1 record-holder so violent the dynamometer couldn't measure it, why he used 100,000-kilometre used road-car blocks, and why turbo boost this extreme was eventually banned. 🔩 IN THIS VIDEO: Why the BMW M12/13 is still the most powerful F1 engine ever built, making 1,400 horsepower from a 1.5-liter turbocharged four-cylinder How the ordinary 80-hp BMW M10 family-car engine block became a Formula 1 record-holder Why Paul Rosche preferred used engine blocks with 100,000 km on them for the most powerful racing engine BMW ever made How qualifying boost of 5.5 bar pushed the engine past 1,280 hp — the point where the dyno gave up ⚙️ TOPICS COVERED: BMW M12/13 turbo engine most powerful F1 engine ever 1400 hp 1.5 litre four cylinder BMW M10 engine block history Paul Rosche BMW Motorsport turbocharged Formula 1 1980s how turbocharging works why F1 banned turbo engines