Warming up the M

Nisocrew · 11-28-2009, 06:20 PM

Hey guys,

I was just thinking the other day about how the manual suggests warming up the car by driving and not to let it sit at idle to warm up. Does anyone know or have any good theories as to why this is? I do it, but I'm just curious as to the actual mechanical reason why.

FStop7 · 11-28-2009, 10:49 PM

My guess is that it has something to do with getting the oil warmed up faster.

reRESERVEDMD · 11-28-2009, 11:02 PM

It is so that the gunk doesn't build up in the engine. That's how carbon deposits are made.

11-28-2009, 06:20 PM	#1
Nisocrew Registered 6 Rep 3 Posts Drives: '08 AW E92 M3 Join Date: Nov 2009 Location: Va Beach, Va iTrader: (0)	Warming up the M Hey guys, I was just thinking the other day about how the manual suggests warming up the car by driving and not to let it sit at idle to warm up. Does anyone know or have any good theories as to why this is? I do it, but I'm just curious as to the actual mechanical reason why.
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11-28-2009, 10:49 PM	#2
FStop7 I like cars 346 Rep 5,051 Posts Drives: M6 Join Date: Oct 2008 Location: Newbury Park, CA iTrader: (3)	My guess is that it has something to do with getting the oil warmed up faster. __________________ My photostream: http://www.flickr.com/photos/racelap/
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11-28-2009, 11:02 PM	#3
reRESERVEDMD oO (\|\|\|\|) (\|\|\|\|) Oo 2 Rep 43 Posts Drives: BMW Z4M Join Date: Nov 2009 Location: Downers Grove, IL iTrader: (0)	It is so that the gunk doesn't build up in the engine. That's how carbon deposits are made.
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