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
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Necessary preliminary tasks
Remove INSTRUMENT PANEL TRIM
Position of actuator drive:
OVERVIEW OF ACTUATOR DRIVES ON HEATER/AIR CONDITIONER
Release screws (1) and remove grounding cable.
Installation:
Replace screws (1).
Take off holder (2).
Fig. 61: Identifying Holder And Screws
Unclip connecto
1.1 Working with aluminium dust
Wear a fine dust mask.
E52 only: Use an explosion-proof extractor system (refer to Service
Information 5 01 00 532).
Note national regulations.
1.2 Removing sealant
Hydrochloric acid is created when PVC sealing material is heated to
temperatures in excess o