3 Series E91 320i (N43) TOUR
Important!
Adhere to conditions of absolute cleanliness when working on
the high-pressure fuel system.
Introduced contaminants can cause malfunctions in the
system!
•
Do not allow any dirt particles or foreign bodies to get
into the system.
•
Remove all traces of dirt before removing pipes or
individual components.
•
Use only fluff-free cloths.
•
Seal all fuel system openings with protective caps or
plugs.
Important!
Injectors are not waterproof!
Carry out engine cleaning/washing only with ignition coil cover
fitted.
Necessary preliminary tasks:
•
Remove a pressure line
Note:
The following description applies to all injectors.
Unlock plug (1) and remove.
Release screw and remove holding-down element (2).
Remove injector (3).
Note:
If several injectors are removed, ensure that each injector is
reinstalled in its original location (cylinder).
Mark injectors.
RA Removing and installing or replacing a fuel injector (N43)
BMW AG - TIS
24.01.2013 08:28
Issue status (12/2007) Valid only until next DVD is issued
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