X Series E53 X5 3.0i (M54) OFFRD
Select "Measurement" function on Diagnosis and Information
System (DIS).
Set measuring range in accordance with pressure sensor to 0-3.5
bar.
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.
Caution!
Do not under any circumstance 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 supply line from special
tool 16 1 171 to tank filler neck.
Allow a rest period of approx. 20 secs.
Read off and note down starting pressure value.
Wait 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.
Pressure drop in 60 secs.
greater than 0.010 bar
System leaking beyond
permitted levels.
Carry out leak test.
RA Checking fuel tank and tank ventilation system for leaks
BMW AG - TIS
06.02.2013 17:37
Issue status (12/2007) Valid only until next DVD is issued
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