Z Series E85 Z4 3.0i (M54) ROADST
Check testing equipment for leaks!
Select "Measurement" function on Diagnosis and Information
System (DIS).
Increase pressure by 0.2 bar with pressure regulator on special
tool 16 1 171 .
Using special tool 13 3 010 , disconnect supply line (1) 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.
Wait approx. 120 secs.
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 system is leaking, check connection points for leaks.
Check tank cap pressure relief valve.
Follow same test procedure as for "Checking testing equipment
for leaks".
Increase pressure by 0.3 bar with pressure regulator on special
tool 16 1 171 .
Measurement evaluation:
-
Pressure drop up to 0.01 bar:
Tank cap pressure relief valve OK
-
Pressure drop over 0.02 bar:
Tank cap is leaking and must be replaced
RA Checking tank cap pressure relief valve
BMW AG - TIS
15.02.2013 12:58
Issue status (12/2007) Valid only until next DVD is issued
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