![background image](/i/bmw/160195/bmw-c1-2001/h/bmw-c1-2001-159.png)
17.3
17
Technical Data
C1
Cooling-system capacity
Total capacity
l (Imp
pint/US
quart)
1.45 (2.55/1.53)
Cooling circuit
l (Imp
pint/US
quart)
1.25 (2.20/1.3214),
top-up capacity approx. 1.2 l (2.1123/1.2685)
Expansion tank
l (Imp
pint/US
quart)
0.2 (0.35/0.21)
Coolant
Use only nitride-free extended-duty antifreeze
with corrosion inhibitor
Mixture ratio
50% antifreeze
50% water
Protection against freezing down to
°C (°F) -25 (-13)
Thermostat opening temperature
°C (°F) 72…75 (161.6…167)
Fan cut-in temperature
°C (°F) 102 (216)
Activation temperature for coolant warning
lamp
°C (°F) 114 (237)
Pressure-relief valve in end cover
opens at
bar (psi) 1.5 (0.059)