Z Series E85 Z4 3.0i (N52) ROADST
Only when venting!
Open cap (1) on coolant expansion tank.
Open vent screw (2).
Important!
Fill coolant expansion tank up to lower edge of filler neck with
recommended coolant.
Pour in coolant slowly.
Close vent screw (2) when bubble-free coolant emerges
Close cap on expansion tank.
Do not open the coolant expansion tank cap during the
venting procedure.
1.
Connect battery charger.
2.
Switch on ignition.
3.
Set heater to maximum temperature, activate "Automatic"
button, then reduce fan to lowest setting.
4.
Press accelerator pedal for 10 seconds to floor. Engine
must not be started.
5.
The venting procedure is started when the accelerator pedal
is pressed and takes approx. 12 minutes.
6.
Check cooling system for leaks.
7.
If the venting procedure has to be carried out several times,
allow DME to drop completely (ignition key removed for
approx. 3 minutes), then repeat from Point 3.
Checking coolant level:
Important!
Check coolant level at a maximum coolant temperature of 30
°
C.
If ambient temperature is above 30
°
C, allow engine to cool
down at least to ambient temperature.
Open cap carefully.
Fluid level is OK when top edge of coolant expansion tank lies
between both markings (1 and 2) on float needle.
Minimum cold fill level:
•
Top edge of coolant expansion tank is level with
marking (1).
Maximum cold fill level:
•
Top edge of coolant expansion tank is level with
marking (2).
If necessary, top up coolant.
RA Venting cooling system and checking for leaks (N52)
BMW AG - TIS
15.02.2013 17:52
Issue status (12/2007) Valid only until next DVD is issued
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