Component Replacement (Fuel Injection); Fuel Rail And Injectors, Removing And Installing - BMW 1999-2005 M3 Service Manual

Fuel Injection
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Component
Replacement
After diagnosing and replacing a faulty
engine management component, be
sure to use a BMW-compatible scan
tool to check and clear the fault
memory in the ECM. Diagnostic trouble
codes are given in
Diagnostics at the back of this book.
Fuel rail and injectors,
removing and installing
Disconnect negative (-) battery
-
cable.
CAUTION!
Prior to disconnecting the battery,
read the battery disconnection
cautions given at the front of this
manual on page viii.
Remove housing for microfilter for
interior ventilation.
Remove upper cover and
microfilter.
Open wiring harness loom (A) and
remove wires.
Unfasten screws (B) and remove
lower microfilter housing.
Remove fuel rail cover by prying off nut
covers (arrows) and removing nuts.
130-3
OBD On Board
2/25/2009 9:55 PM