3 Series E91 330xi (N52) TOUR
1.
Select "Measurement" function on Diagnosis and Information
System (DIS).
2.
Using pressure regulator on special tool 16 1 171 , increase
pressure by 0.20 bar.
3.
Connect special tool 16 1 174 to fast-release coupling of
special tool 16 1 171 .
4.
Wait until the value at the Diagnosis and Information System
has levelled out.
5.
Using pressure regulator on special tool 16 1 171 , reset
gauge pressure in fuel tank to 0.20 bar.
Important!
Do not under any circumstances increase pressure by more
than 0.30 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 sec.
Read off and note down starting pressure value.
Wait approx. 120 sec.
Read off final pressure value and compare with starting pressure
value.
Measurement evaluation:
-
Pressure drop up to 0.01 bar:
System OK
-
Pressure drop over 0.02 bar:
System leaking beyond permitted levels
If the system is leaking, a leak test must be carried out and the
defective components replaced.
RA Checking fuel tank and tank ventilation system for leaks
BMW AG - TIS
21.02.2013 01:08
Issue status (12/2007) Valid only until next DVD is issued
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