BMW 7 Series (F01/F02) 2008-2015 Service Manual / Fuel Supply System / Fuel Pump With Drive And Line
BMW 7 Series: Fuel Pump With Drive And Line
- Check Fuel Pressure
- Checking Fuel Delivery Pressure (N20, N53, N54, N55, N63, N74)
- Notes Regarding The Fuel Pressure Test (Reference Pressure: Surrounding Area)
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Check Fuel Pressure
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
Checking Fuel Delivery Pressure (N20, N53, N54, N55, N63, N74)
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
Notes Regarding The Fuel Pressure Test (Reference Pressure:
Surrounding Area)
The characteristic of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the throttle and the air
cleaner or on the air cleaner.
SEE MORE:
Service Information
Wiper/washer System Emergency Operating Functions
Emergency Operation in the Event of the Steering Column Switch Cluster
Failing
The wipers can no longer be operated in the event of the steering column
switch cluster failing or a break in the
bus connection.
The junction box electronics switch to
Headlight Fogging Fault Pattern
NOTE: Certain weather conditions can lead to fogging on the inside of the
headlight
lens.
This is not necessarily a fault that requires replacement of the
headlight.
Permissible fogging. Headlight does not need to be replaced.
Impermissible fogging. Replace the headlight.
Fig. 42: Identifying
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