6 Series 630i (N53) Coupe
Connect special tool 16 1 171 using compressed air line (1) to
garage compressed air system (8...10 bar).
Connect pressure sensor (2) from Diagnosis and Information
System with a measuring range of 0...3.5 bar.
Important!
Do not connect fast-release coupling (3) of special tool
16 1 171 yet.
Select "Measurement" function on Diagnosis and Information
System (DIS).
Using pressure regulator on special tool 16 1 171 , increase
pressure by 0.050 bar.
Connect special tool 16 1 174 to fast-release coupling of special
tool 16 1 171 .
Using pressure regulator on special tool 16 1 171 , reset gauge
pressure in fuel tank to 0.050 bar.
Important!
Do not under any circumstances increase pressure by more
than 0.100 bar as this would result in damage to the fuel tank
and venting system.
Using special tool 13 3 010 , disconnect delivery line from
special tool 16 1 171 to fuel filler neck.
Allow a rest period of approx. 20 secs.
Read off and note down starting pressure value.
Wait approx. 60 secs.
Read off final pressure value and compare with starting pressure
value.
Measurement evaluation:
Pressure drop between
0.008 and 0.010 bar.
Measure again.
RA Checking fuel tank and tank ventilation system for leaks
BMW AG - TIS
17.01.2013 11:47
Issue status (12/2007) Valid only until next DVD is issued
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