https://en.wikipedia.org/wiki/BMW_Goldfish_V16
The engine design virtually copies the BMW M70 V12 layout but with 4 more cylinders added.
6651 cc V16 engine
Cast aluminium block and cylinder heads.
SOHC, 2 valves per cylinder.
Bore and stroke: 84 mm (3.3 in) x 75 mm (3.0 in). Bore spacing: 91 mm (3.6 in).
Compression ratio: 8.8:1
Maximum power: 408 hp (304 kW) @ 5200 rpm
Maximum torque: 637 N·m (470 lb·ft) torque @ 3900 rpm
Redline: 6000 rpm
Engine Management: 2 separate Bosch DME 3.3 for each bank
Dry weight: 310 kg (683 lb)[3]