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I have an 840Ci, and I noticed that if I warm up the car for about 5 minutes every morning (until the temp needle moves a smidget past half-way) my car will perform MUCH better in acceleration and fuel mileage than if I just started driving it right away.
What is the best and safest way to warm up an 8 when it is cold in the morning? I worry that idling the engine for 5 minutes in the morning may not be so good for it, but I want the satisfaction of a fully awake engine so I can fully appreciate the driving experience.
Any info would be really helpful. Thanks!
Richard