| BMW N73 engine | |
|---|---|
 | |
| Overview | |
| Production | 2003–2016 |
| Layout | |
| Configuration | 60° V12 |
| Displacement | 6.0 L (5,972 cc) 6.7 L (6,749 cc) |
| Cylinder bore | 89 mm (3.50 in) 92 mm (3.62 in) |
| Piston stroke | 80 mm (3.15 in) 84.6 mm (3.33 in) |
| Valvetrain | DOHC w/ VVT & VVL |
| Combustion | |
| Fuel type | Petrol |
| Chronology | |
| Predecessor | BMW M73 |
| Successor | BMW N74 |
The BMW N73 is a naturally aspirated V12 petrol engine which replaced the BMW M73 and was produced from 2003–2016. It was used in the BMW 7 Series (E65) and Rolls-Royce Phantom VII.
The N73 was the world's first production V12 engine to use gasoline direct injection.[1]
Compared with its M73 predecessor, the N73 has dual overhead camshafts, double-VANOS (variable valve timing) and valvetronic (variable valve lift).[2][3]
- ^ "BMW World- 12-Cylinder Enginges". www.usautoparts.net. Archived from the original on 27 June 2013.
- ^ "BMW 760Li 2002 - Detroit Auto Show". www.caranddriver.com. January 2002. Archived from the original on 7 August 2017. Retrieved 7 August 2017.
- ^ "2002 BMW 316ti - Review and road test". www.automobilemag.com. July 2001. Archived from the original on 7 August 2017. Retrieved 7 August 2017.