BMW 7 Series: Fuel De-Aeration
REMOVING AND INSTALLING/REPLACING PRESSURE SWITCH FOR NATURAL
VACUUM LEAK DETECTION (NVLD)
Necessary preliminary work:
- Remove CARBON CANISTER.
- Remove DUST FILTER.
Unlock and disconnect snap fastener (1).
Unfasten screws (2).
Pull off pressure switch (3) in direction of arrow.
Installation note:
Check gaskets and replace if necessary.
Fig. 38: Identifying Natural Vacuum Leak Detection (NVLD) Pressure Switch,
Snap Fastener, And
Screws
REMOVING AND INSTALLING/REPLACING TANK LEAK DIAGNOSIS MODULE
(PETROL/GASOLINE CARS WITH US DMTL VERSION)
Necessary preliminary tasks
Unlock and disconnect snap fastener (1).
Fig. 39: Identifying Carbon Canister Snap Fastener
Release screws (1).
Detach diagnosis module (2).
Installation:
Replace gasket (3).
Fig. 40: Identifying Carbon Canister Diagnosis Module And Gasket With
Mounting Screws
READ NEXT:
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD protection).
Necessary preliminary tasks
Remove STORAGE COMPARTMENT in luggage compartment
Disconnect plug conn
Necessary preliminary work:
Remove CARBON CANISTER.
Unlock and disconnect snap fastener (1).
Release screw (2) and remove dust filter (3).
Installation note:
Check gasket and replace if necessary
SEE MORE:
CHECKING ENGINE OIL PRESSURE
Notes
WARNING: Risk of scalding!
NOTE: To check the engine oil pressure, remove the oil pressure switch and
install and
connect the special tool.
NOTE: A small amount of engine oil emerges when the oil pressure switch is
removed.
Have a cleaning cloth ready.
Necessary
Gray steering wheel symbol:
The system is on standby.
Green steering wheel symbol:
The system is activated.
The system supports the driver
in keeping the vehicle within the
lane.
Yellow flashing steering wheel
symbol:
Lane marking driven over.
The steering wheel vibrates
where applicable.
Yellow s