BMW N55 - Page 64

64
N55 Engine
Twin scroll turbocharger
Index Explanation Index Explanation
A
Exhaust duct 1 (cylinders 1 - 3)
3
Vacuum unit for wastegate valve
B
Exhaust duct 2 (cylinders 4 - 6)
4
Diverter valve
C
Connection to catalytic converter
5
By-pass
D
Inlet from intake silencer
6
Tu r b i n e wheel
E
Ring channel
7
Compressor wheel
F
Outlet to intercooler
8
Cooling duct
1
Wastegate valve
9
Tu r b i n e shaft
2
Lever arm, wastegate valve