BMW N63

BMW N63 engine
Overview
Production	2008–present
Layout
Configuration	90° V8
Displacement	4.0 L (3,982 cc) 4.4 L (4,395 cc)
Cylinder bore	89 mm (3.50 in)
Piston stroke	80 mm (3.15 in) 88.3 mm (3.48 in)
Cylinder block material	Aluminium
Cylinder head material	Aluminium
Valvetrain	DOHC w/ VVT
Combustion
Turbocharger	Twin-turbo
Fuel type	Petrol
Chronology
Predecessor	BMW N62

The BMW N63 is a twin-turbocharged petrol V8 engine which has been in production from 2008 to present. The N63 is the world's first production car engine to use a "hot-vee" layout, with the turbochargers located inside the "V" of the engine. It is also BMW's first turbocharged petrol V8 engine. The engine has been widely noted for its mechanical issues, undergoing several recalls.^{[1][2][3][4][5][6]}

The N63 replaced the BMW N62 (a naturally aspirated V8 engine) and was first used in the 2008 X6 xDrive50i.^[7]

The S63 engine is the BMW M high-performance version of the N63.

Alpina versions of the N63 are used in various F01 7 Series, F10 5 Series, G11 7 Series, G15 8 Series and G30 5 Series models.