How cold is a cold engine?

CBS · 12-07-2011, 10:48 PM

Quote:

Originally Posted by Ilia@IND

I like to let the oil temperature get to full warm (halfway on the gauge) before I spin the engine past 3,000 RPM. If I get on the highway right away, I'll drive in the slow lane for a few minutes to let the engine warm up, and will gradually increase RPMs as oil temps increase. When it's dead cold I try not to exceed 2,000 RPM.

+1 - fully agreed.

Quote:

Originally Posted by Ateam

Totally irrelevent if you are watching the engine temp. If the engine temp is up to temp than the diff and tranny temp has LONG already been at temp. They get up to temp way way faster than the engine so there is going to be no scenario when your tranny and diff is still too cold but the engine is warm. Again disregard for all intents and purposes.

From my DCT perspective I would disagree and it's because Ilia at iND kindly installed a Transmission Temp Gauge in my console (see my garage photos). I have been amazed at how long the DCT takes to reach 160-180 degrees. The dashboard Oil Temp gauge usually has reached operating temp miles before the DCT Temp reaches normal operating temp.

richb811 · 12-07-2011, 11:52 PM

Always warm my cars up to 1/2 way before ripping on them...

Well, except for Olga... my 1993 525i Touring. She likes to be slapped around when shes cold.

atruelunatic · 12-08-2011, 12:46 AM

While on the topic of coldness... any precautions I should take when I get the "Outside temperature is +37 deg F" warning even after the car is fully warmed up?

J08M3 · 12-08-2011, 06:07 AM

^--- you might want to wear a hat and gloves

In all seriousness - Road conditions

jonasaurus · 12-08-2011, 06:19 AM

Quote:

Originally Posted by Ilia@IND

I like to let the oil temperature get to full warm (halfway on the gauge) before I spin the engine past 3,000 RPM. If I get on the highway right away, I'll drive in the slow lane for a few minutes to let the engine warm up, and will gradually increase RPMs as oil temps increase. When it's dead cold I try not to exceed 2,000 RPM.

This as well as once I start it up let it sit there till the revs start dipping (1-2min)

immiketoo · 12-08-2011, 06:54 AM

The real answer is -376 Kelvin. That's the spec in the BMW cad drawings for this motor. True Story Bro!

12-07-2011, 11:52 PM	#24
richb811 465 Rep 4,592 Posts Drives: 2020 G20 330i M Sport Join Date: Dec 2010 Location: NJ iTrader: (21)	Always warm my cars up to 1/2 way before ripping on them... Well, except for Olga... my 1993 525i Touring. She likes to be slapped around when shes cold.
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12-08-2011, 12:46 AM	#25
atruelunatic Lieutenant 96 Rep 473 Posts Drives: n/a Join Date: Jun 2011 Location: Seattle, WA iTrader: (1)	While on the topic of coldness... any precautions I should take when I get the "Outside temperature is +37 deg F" warning even after the car is fully warmed up? __________________ 2011 e92 JzB 6MT Akrapovic Evolution, ESS Tune, KW V3
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12-08-2011, 06:07 AM	#26
J08M3 Major General 286 Rep 6,007 Posts Drives: 2011 M3 COUPE Join Date: May 2008 Location: NEW YORK iTrader: (8)	^--- you might want to wear a hat and gloves In all seriousness - Road conditions __________________
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