BMW S58 Owner's Handbook Manual page 61

S58￿Engine
7.￿Oil￿Supply
S58￿engine,￿piston￿cooling￿control￿valve
Index
1
2
3
4
5
6
7
8
9
10
The￿piston￿cooling￿control￿valve￿has￿the￿following￿two￿switching￿positions:
• Piston￿cooling￿control￿valve￿de-energized:
- The￿force￿of￿the￿compression￿spring￿holds￿the￿piston￿cooling￿control￿valve￿closed.
- Return￿channel￿is￿connected￿to￿the￿control￿channel.
Explanation
Compression￿spring
Return￿channel￿to￿the￿crank￿space
Control￿channel￿to￿piston￿cooling￿control￿valve
Main￿oil￿duct￿from￿oil￿filter
Oil￿strainer
Valve￿seat
Valve￿ball
Sealing￿ring
Solenoid￿coil
Electrical￿connection
55