BMW B58TU Reference Manual page 34

B58TU￿Engine
6.￿Fuel￿System
6.1.1.￿Direct￿rail
Mounting￿the￿injectors
Index

1

2
3
4
5
6
The￿solenoid￿valve￿injectors￿are￿fastened￿to￿the￿holding￿clamp￿with￿a￿bayonet￿fitting.￿There￿is￿a￿plastic
sleeve￿between￿the￿holding￿clamp￿and￿direct￿rail.￿This￿is￿not￿designed￿to￿collect￿escaping￿fuel.￿This
is￿only￿used￿to￿support￿a￿helium￿leakage￿test￿during￿pre-assembly￿at￿the￿factory￿in￿order￿to￿check￿the
tightness.￿After￿the￿initial￿assembly,￿this￿plastic￿sleeve￿is￿of￿no￿relevance￿to￿the￿engine￿operation.￿When
the￿solenoid￿valve￿injectors￿are￿reinstalled￿or￿replaced,￿the￿plastic￿sleeves￿are￿no￿longer￿required￿and
do￿not￿need￿to￿be￿reinserted.
The￿mounting￿bolts￿of￿the￿holding￿clamp￿must￿be￿replaced￿each￿time￿they￿are￿released.
Explanation
Mounting￿bolts
Plastic￿sleeve
Holding￿clamp￿with￿bayonet￿fitting
Rail
Solenoid￿valve￿injector
Cast￿lug
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