BMW 7 Series: Removing And Installing/Renewing Both Solenoid Valves On Right Side (N63)
IMPORTANT: Always check that the solenoid valves are clean during removal and installation.
Possible malfunctions if valves are contaminated:
- Irregular operation
- OBD incorrect entry
- Poor exhaust gas values
- Low engine performance
IMPORTANT: Risk of damage! Do not clean solenoid valves with compressed air.
Solenoid valves, cylinders 1-4:
Necessary preliminary work
- Read out fault memory in DME control unit
- Switch off ignition
- Remove right INTERCOOLER
- Release holder for electropneumatic pressure converter (EPPC) and carefully press to one side
NOTE: Solenoid valve (4) controls the inlet adjustment unit.
Solenoid valve (2) controls the exhaust adjustment unit.
Unlock plug connections of solenoid valves (2 and 4) and disconnect.
Installation note: Plug connections must snap audibly into place!
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Fig. 337: Identifying Solenoid Valve
Unfasten screws (1 and 3).
Tightening torque 11 36 3AZ.
Pull out solenoid valves (2 and 4).
Installation note:
Replace O-rings (1 and 2) on solenoid valve
Installation note:
To install solenoid valves, coat both O - rings with engine oil.
If the solenoid valve is to be reused, the filter strainer (see arrow) must be cleaned.
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Fig. 338: Identifying O-Rings On Solenoid Valve
NOTE: If a filter element is clogged with dirt, the filter element (filter strainer) may be removed.
Release filter elements (1) at contact edges.
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Fig. 339: Identifying Filter Elements At Contact Edges
Bend open welding spots on filter element (1) with a screwdriver (2) in direction of arrow until welding spots are opened.
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Fig. 340: Bending Open Welding Spots On Filter Element With Screwdriver
Avoid damaging, e.g. notches or scratches, the solenoid valve housing (see arrows).
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Fig. 341: Inspecting Notches Or Scratches For Solenoid Valve Housing
Carefully insert solenoid valves (2 and 4) up to stop.
Ensure correct installation position.
Insert screws (1 and 3) and tighten down.
Tightening torque 11 36 3AZ.
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Fig. 342: Identifying Solenoid Valve
Assemble engine.
Delete fault memory.
Check function of DME control unit.
READ NEXT:
Removing And Installing/Renewing Inlet And Exhaust Adjustment
Units On Left Side (N63)
Notes
IMPORTANT: When the engine is shut down, the inlet and exhaust camshaft
adjuster is
normally locked in its initial position.
The situation may arise in some individual cases where this initial
Removing And Installing/Replacing Both Solenoid Valves On Left Side
(N63)
IMPORTANT: Always check that the solenoid valves are clean during removal
and
installation.
Possible malfunctions if valves are contaminated:
Irregular operation
OBD incorrect entry
Poor exhaust
Removing And Installing/Replacing Inlet And Exhaust Adjustment
Units On Right Side (N63)
Notes
IMPORTANT: When the engine is shut down, the inlet and exhaust camshaft
adjuster is
normally locked in its initial position.
The situation may arise in some individual cases where this initial
SEE MORE:
Checking Fuel Delivery Pressure (N20, N53, N54, N55, N63, N74)
Necessary preliminary work:
Connect BMW diagnosis system.
IMPORTANT: Lines are under pressure!
Wear protective goggles and gloves.
Fuel can emerge spontaneously at high velocity when the fuel line is released!
Recycling:
Catch and dispose of escaping fuel with auxiliary materials.
Observe country-
Wash Functions
When the wiper switch on the steering column stalk is pulled, the washer
fluid pump is first switched on,
followed by the windscreen wiper. The washer fluid pump remains switched on for
as long as the wiper switch
on the steering column stalk is pulled.
The signal is routed from the steering colu
