The BMW N74 is the marque's ultimate expression of internal combustion: a twin-turbocharged V12 that served as the crown jewel of BMW's engine lineup for over a decade. Marketed under the TwinPower Turbo banner, the N74 replaced the naturally aspirated N73 V12 and delivered a decisive leap in output while remaining whisper-smooth in the tradition of BMW's twelve-cylinder flagships. Built from 2008 to 2022, it also served as the foundation for Rolls-Royce powerplants.
Engineering & Specs
The N74 is a 6.0- to 6.75-liter twin-turbo V12, with displacement varying by application. Twin turbochargers replaced the free-breathing induction of its predecessor, allowing the engine to make effortless power low in the rev range. Key figures include:
- Configuration: 6.0–6.75L twin-turbo V12
- Output: 535–601 hp
- Torque: 550–627 lb-ft
- Redline: 6,000 rpm
- Production: 2008–2022
Rather than chase a stratospheric redline, the N74 delivers its immense torque plateau early and holds it, producing the seamless, surging acceleration expected of a luxury flagship. The result is a V12 that moves multi-ton limousines with serenity.
Which BMWs Used It
The N74 was reserved exclusively for BMW's top-tier 7 Series V12 models:
- 760i / 760Li — F01 (2009–2015) and G11/G12 (2015–2022) generations
It was the only V12 offered in these chassis, sitting above the twin-turbo V8 N63. If you're verifying which powerplant sits under the hood of a specific 7 Series, run the chassis number through our VIN decoder to confirm the engine and fitment before purchase.
Reliability & Ownership Notes
As a low-volume flagship engine, the N74 was engineered to a high standard, but its complexity means ownership costs are substantial. Twin turbos, a large cooling system, and twelve cylinders' worth of ancillaries all add expense compared to the V8 N62 or the inline-six N52. Prospective buyers should note:
- Comprehensive service history is essential given the engine's specialized maintenance needs.
- Cooling components, gaskets, and turbo-related systems are the areas most worth inspecting.
- Repairs typically require a specialist familiar with BMW's V12 architecture.
A well-maintained N74 car rewards its owner with a driving experience few engines can match, but deferred maintenance can become costly quickly.
Legacy
The N74 represents the twilight of the modern V12 era, closing out a lineage that few automakers still pursue. As one of the last twelve-cylinder engines BMW produced, it holds a special place in the marque's history. Explore more powerplants and their stories in the BMW engine encyclopedia.