105+ degrees = lower oil temps???

thekurgan · 07-07-2008, 07:54 PM

Just noticed something over the last few days of near and over 100 degree temps. My oil temp falls below 230 now. The only thing I've changed on the vehicle is remove the golf tee mod, as it's "closed window" weather now !

I doubt that has anything to do with oil temps. I have the Dinan tune and have been in some stop and go, highway and city commuting. If I get on the throttle, it will hit 240, but as soon as I back off, it drops to 230 or thereabouts.

My question is: Could my car have not been using the oil cooler until it got really hot outside and then the thermostat enabled the cooling?

I know little about the bmw oil cooler except that it was recommended for this climate.

Anyone have any ideas?

thegeneral101 · 07-07-2008, 09:04 PM

yes I believe the oil cooler kicks in during the higher ambient temps thats why you are seeing lower oil temps

thekurgan · 07-07-2008, 09:35 PM

It does makes sense, I wish I could control it a little better, where it can open up below 100 outside.

Dascamel · 07-07-2008, 10:11 PM

It opens up at a higher temp b/c the engines likes to run nice and warm. If it opens earlier car would take way too long to warm up.

Richardo · 07-07-2008, 10:41 PM

I live in Dallas, have the stage 1 Dinan tune with stock oil cooler, and have noticed the same thing you have. The engine never gets above 240 and consistently drops down to 230 degrees, even in the 100+ weather. However, this only applies to street driving -- I've not taken it to the track yet since I've had the Dinan flash update.

raceyBMW · 07-07-2008, 11:13 PM

From what I have read, the oil cooler thermostat is set to open at 240 degrees F to allow the engine to warm up easier, so that would probably explain it. Unless you are going above 240, there will be no oil running through the cooler. I think 240F is also the middle gauge point for the newer oil temp gauges too (mine is centered at 210)

hotrod182 · 07-08-2008, 01:00 AM

I'm telling you, my 08 oil temp heats up faster, and runs warmer in normal driving than my 07 w/o the oil cooler.

Potty_Pants · 07-08-2008, 08:29 AM

After a ton of updates my car "seems" to warm up faster, more then likely its just the ambient temperature.

Now regarding the lower temp... this has been mentioned on this forums a few times and its kinda wierd... in NJ it can be 80 degress and my car will be at 240 when a counterpart in Fl it will be 100 and the car will be at 220-230.

ppp

2e9x's · 07-08-2008, 08:48 AM

Funny...I posted this very same observation a while ago and people called me crazy. The warmer it gets outside the cooler my oil stays.

thekurgan · 07-08-2008, 09:35 AM

Quote:

Originally Posted by 2e9x's

Funny...I posted this very same observation a while ago and people called me crazy. The warmer it gets outside the cooler my oil stays.

Sorry, Bro, I should have searched, I figured I had something wrong with my gauge and everyone would call me crazy as well.

sg335 · 07-08-2008, 10:03 AM

The hotter the outside air temps have been at the track, the lower my oil temps have been.

2e9x's · 07-08-2008, 01:53 PM

Quote:

Originally Posted by thekurgan

Sorry, Bro, I should have searched, I figured I had something wrong with my gauge and everyone would call me crazy as well.

lol...no worries, so long as you were not one of the folks who told me I had lost it!

07-07-2008, 07:54 PM	#1
thekurgan Bad Lieutenant 233 Rep 3,517 Posts Drives: E90M3 Join Date: Aug 2007 Location: Sacramento iTrader: (0) Garage List 2008 BMW M3 [0.00]	105+ degrees = lower oil temps??? Just noticed something over the last few days of near and over 100 degree temps. My oil temp falls below 230 now. The only thing I've changed on the vehicle is remove the golf tee mod, as it's "closed window" weather now ! I doubt that has anything to do with oil temps. I have the Dinan tune and have been in some stop and go, highway and city commuting. If I get on the throttle, it will hit 240, but as soon as I back off, it drops to 230 or thereabouts. My question is: Could my car have not been using the oil cooler until it got really hot outside and then the thermostat enabled the cooling? I know little about the bmw oil cooler except that it was recommended for this climate. Anyone have any ideas?
	Appreciate 0 Tweet Quote

07-07-2008, 09:04 PM	#2
thegeneral101 Colonel 76 Rep 2,304 Posts Drives: '15 Z06,'13 750Li,'11 Raptor Join Date: Nov 2006 Location: Miami/Michigan iTrader: (0)	yes I believe the oil cooler kicks in during the higher ambient temps thats why you are seeing lower oil temps __________________
	Appreciate 0 Quote

07-07-2008, 09:35 PM	#3
thekurgan Bad Lieutenant 233 Rep 3,517 Posts Drives: E90M3 Join Date: Aug 2007 Location: Sacramento iTrader: (0) Garage List 2008 BMW M3 [0.00]	It does makes sense, I wish I could control it a little better, where it can open up below 100 outside.
	Appreciate 0 Quote

07-07-2008, 10:11 PM	#4
Dascamel Lieutenant Colonel 48 Rep 1,664 Posts Drives: 2008 e92 M3, 2010 e91 328i Join Date: Jul 2007 Location: Bakersfield, CA iTrader: (0)	It opens up at a higher temp b/c the engines likes to run nice and warm. If it opens earlier car would take way too long to warm up. __________________ 2008 E92 M3 Jerez Black,DCT,Fox Red ext,Prem,Tech,19", ipod/usb, CF roof and trim 2010 E91 328i Space Gray,Black int, M sport, most options 2007 Montego Blue 335i (retired)
	Appreciate 0 Quote

07-07-2008, 10:41 PM	#5
Richardo Private First Class 14 Rep 153 Posts Drives: 335i AT sport Join Date: Aug 2007 Location: Texas iTrader: (0)	I live in Dallas, have the stage 1 Dinan tune with stock oil cooler, and have noticed the same thing you have. The engine never gets above 240 and consistently drops down to 230 degrees, even in the 100+ weather. However, this only applies to street driving -- I've not taken it to the track yet since I've had the Dinan flash update.
	Appreciate 0 Quote

07-07-2008, 11:13 PM	#6
raceyBMW king of the hills 92 Rep 2,915 Posts Drives: 2011 M3 w/ESS55, 2001 540i/6 Join Date: Dec 2006 Location: Arvada, CO iTrader: (1) Garage List 2001 BMW 540i/6 [8.17] 1994 530i [9.00] 2007 335i Coupe [8.37]	From what I have read, the oil cooler thermostat is set to open at 240 degrees F to allow the engine to warm up easier, so that would probably explain it. Unless you are going above 240, there will be no oil running through the cooler. I think 240F is also the middle gauge point for the newer oil temp gauges too (mine is centered at 210) Last edited by raceyBMW; 07-08-2008 at 01:15 AM..
	Appreciate 0 Quote

07-08-2008, 01:00 AM	#7
hotrod182 . 812 Rep 3,974 Posts Drives: 2023 i4 M50 Join Date: Dec 2006 Location: California iTrader: (0)	I'm telling you, my 08 oil temp heats up faster, and runs warmer in normal driving than my 07 w/o the oil cooler. __________________ 2011 Alpine 335d M-Sport 12.34 @ 110.48mph 2019 i3s Terra, 2008 Black 335i Sedan. 11.11@ 129.47 mph 2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph, 60-130mph: 6.95 seconds 2023 i4 M50 11.48 @ 121.56mph, 3.43 0-60 (dragy)
	Appreciate 0 Quote

07-08-2008, 08:29 AM	#8
Potty_Pants Colonel 66 Rep 2,189 Posts Drives: 2012 Genesis Sedan Rspec Join Date: Apr 2007 Location: Southern NJ iTrader: (0)	After a ton of updates my car "seems" to warm up faster, more then likely its just the ambient temperature. Now regarding the lower temp... this has been mentioned on this forums a few times and its kinda wierd... in NJ it can be 80 degress and my car will be at 240 when a counterpart in Fl it will be 100 and the car will be at 220-230. ppp __________________ Olds Starfire > Chevy Malibu > Isuzu I-mark RS & Honda Magna 500 > Grand Am GT & YSR50 > Nissan Maxima & Ninja 750 > X-Wife > Hyundai Excel > Honda Prelude > Honda Accord > Honda Prelude & Ninja 250> Infiniti G35 > E90 335i > Hyundai Genesis Rspec, Hyunadai Sonata > Kia Sorento > Honda CRV-EX
	Appreciate 0 Quote

07-08-2008, 08:48 AM	#9
2e9x's Major 50 Rep 1,137 Posts Drives: 335i ED 7/07 Join Date: Dec 2006 Location: A Sunny Place iTrader: (2)	Funny...I posted this very same observation a while ago and people called me crazy. The warmer it gets outside the cooler my oil stays. __________________ 2010 Evo X - silver with a big, stupid wing on the back 2009 VW CC - Black/Black - with a 2011 328i on order to replace it - ED 8/1/11
	Appreciate 0 Quote

07-08-2008, 10:03 AM	#11
sg335 Captain 52 Rep 648 Posts Drives: 335i Join Date: Apr 2007 Location: Los Angeles iTrader: (0)	The hotter the outside air temps have been at the track, the lower my oil temps have been.
	Appreciate 0 Quote