7 Series E38 728i (M52TU) SAL
Unscrew check valve (1) on special tool so that valve remains
closed in fuel rail.
Attach special tool kit 13 5 220 to fuel rail and tighten down
firmly so that sealing ring in special tool is sealed.
Start engine.
Screw in check valve (1) on special tool until a pressure reading
is displayed at DIS Tester.
Caution!
Do not under any circumstances screw in the check valve up
to the mechanical stop. This could damage the measuring
valve in the fuel rail.
Measuring fuel pressure:
-
Select measuring option.
-
Multimeter function appears.
-
Select pressure test.
-
Read off pressure.
Test pressure,
refer to Technical Data.
Switch off engine.
Checking fuel pump:
E39:
Detach fuel pump relay (2).
RA Checking fuel pump delivery pressure (M52, M52TU)
BMW AG - TIS
23.02.2013 02:22
Issue status (12/2007) Valid only until next DVD is issued
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