3 Series E46 320d (M47TU) SAL
5)
Scavenge cooling circuit by pressing accelerator pedal
twice (approx. 2000 rpm)
6)
Turn off engine and set heater to min. temperature
7)
Comply with a waiting time of approx. 3 minutes until
auxiliary water pump in auxiliary heater is no longer
running
8)
Start engine again without heater
9)
Carefully open expansion tank and top up coolant at idle
speed to max. cold fill level
Coolant level check
To check coolant level, allow engine to cool down; coolant
temperature must not exceed 30
°
C. If ambient temperature is
above 30
°
C, allow engine to cool down at least to ambient
temperature.
Check coolant level, top up coolant if necessary until float (1) is in
line with top edge of expansion tank (2).
Note:
Tank mark indicates the fluid level at approx. 20
°
C.
Use only recommended coolant,
refer to BMW Service Operating Fluids.
M47TU:
Note:
When adding coolant, it is absolutely essential to adhere to the
following sequence:
1)
Remove cap from expansion tank (ET)
2)
Open all vent plugs:
Radiator feed - ET branch piece
Coolant return pipe
EGR cooler thermostat
Heating cooler feed
3)
Add coolant slowly
4)
Close vent plugs on coolant return pipe and on radiator feed
(ET branch piece) after coolant emerges
5)
Fill ET with coolant up to edge
6)
Close vent plugs on EGR cooler thermostat and on heating
cooler feed (no emergence of coolant during filling
procedure)
7)
Start engine (idling), set heater to maximum and fan to low
stage (if necessary, top up coolant to max. fill level)
8)
Close ET cap, press accelerator pedal several times up to
approx. 2500 rpm
RA Venting cooling system and checking for leaks (M47, M47TU)
BMW AG - TIS
12.02.2013 14:46
Issue status (12/2007) Valid only until next DVD is issued
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