BMW S58, Owner'S Handbook Manual

Page: 23 / 102

S58�Engine
4.�Engine�Mechanical
17
S58�engine,�cylinder�head�gasket�coating
Index Explanation
1 Cylinder�head�gasket
2 Partial�screen�printing�coating
4.1.4.�Cylinder�head
The�cylinder�head�of�the�S58�engine�has�been�adapted�to�motor�racing�requirements.�The�basic
design�of�the�cylinder�head�matches�that�of�the�B58TU�engine.�In�addition,�the�cylinder�head�has
a�core�manufactured�using�a�3D�printing�process.�The�additive�manufacturing�process�makes�it
possible�to�produce�geometrical�shapes�that�cannot�be�achieved�with�conventional�metal�casting
methods.�Thanks�to�3D�printing�technology,�the�cylinder�head�core�of�the�new�engine�is�lighter�in
weight�and�has�optimized�coolant�duct�routing�in�temperature�management�terms.�The�S58�engine
again�features�direct�injection,�turbocharger�aspiration�and�Valvetronic�valve�timing.�The�cylinder�head
is�very�compact�and�is�equipped�with�the�4th-generation�Valvetronic�technology.
The�combination�of�exhaust�turbocharger,�Valvetronic�and�direct�fuel�injection�is�known�as
T urbo� V alvetronic� D irect� I njection�(TVDI).