3 Series E90 330i (N53) SAL
After removing, fit protective caps (1 and 3) to injector tip and
fuel line connection.
Protective caps are available from BMW Parts Service.
Installation:
When reusing fuel injector:
•
Replace uncoupling element (2).
•
Replace PTFE sealing ring (1).
A PTFE seal which has been heated once by engine
operation must be replaced before the fuel injector is
reinstalled.
Installation:
When installing a new injector:
•
Use a new uncoupling element (2).
•
Remove protective cap (1) from injector tip max. 10 min.
before installation (PTFE sealing ring swells up).
Replacing PTFE sealing ring:
Before replacing PTFE sealing ring (1), make sure hands and
work surface are clean and free of oil.
Avoid mechanical contact with injector tip (2).
RA Removing and installing or replacing an injector (N54, N53)
BMW AG - TIS
19.02.2013 19:59
Issue status (12/2007) Valid only until next DVD is issued
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