BMW S58 Owner's Handbook Manual page 53

S58￿Engine
7.￿Oil￿Supply
S58￿engine,￿characteristic￿map￿control￿valve
Index
A
B
C
1
2
3
4
5
6
7
The￿oil￿pressure￿sensor￿and￿the￿oil￿temperature￿sensor￿are￿connected￿to￿the￿main￿oil￿duct￿and￿supply
the￿actual￿oil￿pressure￿and￿the￿engine￿oil￿temperature￿to￿the￿DME￿control￿unit.￿The￿DME￿calculates
the￿required￿target￿oil￿pressure￿based￿on￿the￿engine's￿operating￿point￿and￿the￿temperature.￿A￿pulse-
width￿modulated￿signal￿is￿sent￿to￿the￿map-controlled￿control￿valve￿based￿on￿the￿determined￿setpoint
deviation.￿Depending￿on￿the￿pulse-width￿modulated￿signal,￿the￿width￿of￿the￿valve￿spool￿opening￿in￿the
Explanation
Voltage￿value,￿maximum￿actuation￿for￿control￿chamber,￿maximum￿pressure
Voltage￿value,￿minimum￿actuation￿for￿control￿chamber,￿depressurized
Voltage￿value￿at￿50%￿actuation
Oil￿duct￿to￿oil￿pump
Oil￿duct￿from￿the￿oil￿filter
Sealing￿ring
Solenoid￿coil
Electrical￿connection
Valve￿spool
Filter
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