BMW 7 Series: Checking Setting Engine Emission
SAFETY INFORMATION FOR WORKING ON VEHICLES WITH AUTOMATIC ENGINE
START-STOP FUNCTION (MSA)
WARNING: If the engine hood/bonnet contact is pulled upwards (workshop
mode),
the information "switch closed" is output. The automatic engine start-stop
function is active.
An automatic engine start is possible.
Observe safety precautions when working on MSA vehicles.
Before carrying out practical work on the engine, always ensure that the MSA
functionality is deactivated so as
to prevent automatic engine starting while work is being carried out in the
engine compartment.
MSA function is deactivated by
- Deactivate MSA by means of button (1) in passenger compartment
- Open seat belt buckle and driver's door
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Fig. 1: Identifying Automatic Engine Start/Stop Switch (MSA)
- Open engine bonnet/hood and ensure that engine hood/bonnet contact is
not in workshop mode
- Workshop mode
A = 10 mm
- Basic setting (engine hood/bonnet open)
B = 7 mm
To make sure that the engine hood/bonnet contact is at the basic setting, if
necessary press the
hood/bonnet contact up to the limit position before starting work and slowly
release.
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Fig. 2: Identifying Engine Hood/Bonnet Basic Setting And Workshop Mode
When working with diagnosis tools
- Observe instructions in diagnosis tool
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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
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
SEE MORE:
REPLACING BOTH PRESSURE CONVERTERS FOR TURBOCHARGER (N63)
Necessary preliminary work
Partially release charge air cooler EXPANSION TANK.
Partially release AUXILIARY WATER PUMP for exhaust turbocharger (not
F04).
Disconnect plug connection at COOLANT THERMOSTAT.
Pressure converter, cylinders 1
REPAIR INSTRUCTIONS FOR BONDED SEALS
1. General information on handling rubber seal profiles
If seals reveal partly detached protective film on delivery, they must
not be bonded.
Store seals at 5ºC to 40ºC.
If, during the handling, the protective film has come off before
bonding, it can st