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      02-19-2020, 11:41 AM   #16
HighlandPete
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Drives: BMW F11 535i Touring
Join Date: Mar 2007
Location: Scotland, Highland Region

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Quote:
Originally Posted by Sussex_G20 View Post
Quite possibly that would seem to make sense. I also mean the engine temp warms quickly too as you say probably a by-product of the aux heating element. I find the cool warning legend extinguishes and the gauge is registering at least a third of the way in only a few miles. Maybe the active radiator louvres do make a difference here too. they only open when it is very hot and the car is stationary
Yes, the active grilles will be helping as well. Wish my car had them.

My N55 engine takes a long time to warm up, cabin as well, as there is not any auxiliary heating in my petrol model. Was used to the electric element in the diesel, which helped the cabin and also masked how slow the diesel engine was to heat up.

This morning at 2°C, my car took 6 miles, (10 minutes of easy driving) for the oil temperature to come off the stop at 70°C. At 10 miles of 50 - 60mph, still only ~80°C. Far too much airflow around the engine, when the ambient temperatures are low.
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