With n 55 motor and ambient -14c, i never got over 90c after 40 min. off driving. I have to turn off the heater to get the coolant pump to slow down if i want any heat in the first 20 minutes of driving.

With the m 54 i took off the clutch fan and used cardboard in winter.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)