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:
Functional Areas of Integrated Active Steering
Low Speed Range
The variable steering-gear ratio of the Active Steering component reduces
steering effort to approximately 2
turns of the steering wheel from lock to lock. In the low speed range up to
approximately 37 mph, the variable
steering-gear ratio for the front wheels is combined with a de
Checking Fuel Tank And Tank Ventilation System For Leaks
Notes
NOTE: The following procedure is only applicable to vehicles without the
tank leak
diagnosis module.
Necessary preliminary work
Remove rear right wheel arch trim.
Comply with the following conditions in order to obtain plausible test
results:
Content of fuel tank:
Maximum 90 %
Minim
