3 Series E91 325xi (N52K) TOUR
Venting cooling system:
Note:
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 and turn fan down to
lowest speed.
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.(Electric coolant
pump was activated and shuts down automatically after
approx. 12 minutes).
6.
Then top up fill level in coolant expansion tank with 100 ml
above max. (see Fig. R17 0450).
7.
Check cooling system for leaks.
8.
If venting has to be carried out again (e.g. if cooling system is
leaking), allow DME to fall completely (leave ignition key
removed for approx. 3 minutes), then repeat from Point 3.
Only when venting!
Perform filling operation slowly.
Fill coolant expansion tank with 100 ml above max.
100 ml corresponds to A=6 mm.
Close coolant expansion tank.
Installation:
Close cap (1) until the arrow marks line up.
RA Venting cooling system and checking for water leaks (N52/ N52K/ N51/ N53)
BMW AG - TIS
11.02.2013 10:48
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 3 -