3 Series E92 335xi (N54) COUPE
Seal fuel line connection of high-pressure pump (1) and high-
pressure rail with matching plugs from special tool kit 32 1 270 .
Installing pressure line:
Installation of pressure rail is described separately from removal.
Copper seals that may be fitted (1) are no longer needed and
must be removed.
If reusing pressure line, lightly grease threads of pressure
connections. New pressure lines are already coated.
Install delivery line (4).
In so doing, tighten screw connections (1 to 3) hand-tight only.
Important!
Connect pressure line (4) without tension only.
To ensure distortion-free installation of the pressure line and
to avoid damaging the thread, it must be possible for both
nuts (1 and 2) to be screwed on easily by hand!
If the nuts cannot be screwed on easily by hand, the high-
pressure pump must be slackened.
This operation is described in the following section.
Only if high-pressure pump has to be slackened:
Slacken screws with special tool 11 8 610 .
Turn high-pressure pump (1) on flange so that nuts of high
pressure line can be easily screwed on by hand.
Tighten down screws. Tightening torque 13 51 1AZ
.
RA Removing and installing/replacing pressure line (N54, N53)
BMW AG - TIS
20.02.2013 06:15
Issue status (12/2007) Valid only until next DVD is issued
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