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.
.png)
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
- Remove CARBON CANISTER
Unlock and disconnect snap fastener (1).
.png)
Fig. 39: Identifying Carbon Canister Snap Fastener
Release screws (1).
Detach diagnosis module (2).
Installation: Replace gasket (3).
.png)
Fig. 40: Identifying Carbon Canister Diagnosis Module And Gasket With
Mounting Screws
READ NEXT:
Removing And Installing Or Replacing Control Unit For Electric
Fuel Pump
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
Removing And Installing/Replacing Dust Filter For Natural Vacuum
Leak Detection (NVLD)
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:
Extension Housing, Bearings, Seal
REPLACING OUTPUT FLANGE SHAFT SEAL (GA6HP26Z/GA6HP32)
Notes
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL.
Use only the approved TRANSMISSION FLUID.
Failure to comply with this requirement will result in serious damage to the
automatic transmission!
Necessary preliminary tasks
Coding Control Module (DME/DDE)
Switch off ignition.
Connect MoDiC or DIS/GT1 Tester.
Switch on ignition.
Select "Coding" program.
For subsequent procedure, follow instructions in MoDiC or DIS/GT1 Tester.
Carry out adjustment of following control units:
EWS (electronic immobilizer)
DME (Digital Motor Electronics) or
DDE (D
