Oil getting hot quickly

[Sigg]

I'm quite sure b58 is supposed to run at 230-232 degrees as nominal. 235 isn't too crazy. I have csf heat exchanger and pushing 23 psi on jb4 with E40, no heat problems. I think you're fine but you could always get a csf cooling package

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[Evolution]

If anyone is honestly complaining that our temp comes up fast and stays around 230°, they have issues. That is beyond ideal. A problem would be slowly heating up and never making it past 200°. We want oil to get above waters boiling temp as fast as possible. Start complaining when oil Temps are up in the 260-270° range.

 

[Thraxbert]

Oil is stable up to ~270F.

Oil 200-230 is ideal.

 

[geert.bieseman]

This could be 100% bullshit and I'd believe it because diagrams.

https://f30.bimmerpost.com/forums/attachment.php?attachmentid=1277450&d=1441950445

 

[dzeleski]

If anyone is honestly complaining that our temp comes up fast and stays around 230°, they have issues. That is beyond ideal. A problem would be slowly heating up and never making it past 200°. We want oil to get above waters boiling temp as fast as possible. Start complaining when oil Temps are up in the 260-270° range.

I was waiting to see a comment like this. 100% exactly this. You’re oil needs to get to 212F to boil off any water and prevent corrosion if the car sits for any length of time. These temps are completely normal. Modern cars keep track of drive cycles and if you don’t drive much it might be purposely targeting higher temps for that reason.

 

[JOutterbridge]

Oil is stable up to ~270F.

Oil 200-230 is ideal.

Synthetic oil should be fine up to 300 or 350 degrees minimum!! Mineral oil yeah 250 to 300.....

 

[Thraxbert]

Synthetic oil should be fine up to 400 or 450 degrees minimum!! Mineral oil yeah 250 to 300.....

Synthetic motor oil will start to break down around 270F, and will suffer accelerated deterioration.

 

[razorlab]

Synthetic motor oil will start to break down around 270F, and will suffer accelerated deterioration.

I was going to reply as well as his post is very incorrect. I now see he edited his post…

 

[JOutterbridge]

I was going to reply as well as his post is very incorrect. I now see he edited his post…

Edited. It's not very good oil if it's breaking down at 270. We test modern oils and the best have no issues over 300 degrees. Heck mobile 1 didn't start to break down until over 440 or so...

 

[AHP]

If anyone is honestly complaining that our temp comes up fast and stays around 230°, they have issues. That is beyond ideal. A problem would be slowly heating up and never making it past 200°. We want oil to get above waters boiling temp as fast as possible. Start complaining when oil Temps are up in the 260-270° range.

Exactly this. It's a feature not a bug. Oil comes up to temp very quickly and in my experience stays consistently ~230° which is optimum. You have to really work the car to get the temps to elevate much beyond that and recovery is quick as well. Coolant also comes up to temp very quickly and stays ~220° when cruising. Once you do a pull or two it drops down into the 190's. Overall heat management is pretty impressive.

 

[zrk]

Exactly this. It's a feature not a bug. Oil comes up to temp very quickly and in my experience stays consistently ~230° which is optimum. You have to really work the car to get the temps to elevate much beyond that and recovery is quick as well. Coolant also comes up to temp very quickly and stays ~220° when cruising. Once you do a pull or two it drops down into the 190's. Overall heat management is pretty impressive.

You're pretty impressive. <3

 

[Meep]

That level is pretty normal

 

[Rocksandblues]

This thread is another example of why to be happy and fortunate these are BMW engines.

I knew Bmw engineering is superior but i always thought the rapid warm up was because they add Lava to the block somehow.

 

[Motorknut]

Yeah but Im reaching 110-112 (230F) with just light driving, not even near track driving...Im starting to wonder what Im gonna reach when I really push it ?

I’m under the impression that the cooling system ramps up when it’s needed. With the nanny driving, the car in fact gets the oil up to temperature (which is good). And with more spirited driving, the cooling system kicks in to keep the temps in operating temperature.

I’ve been advised by a professional driver that additional cooling isn’t needed, unless tracking the car. And that the newer BMW turbo engines run hot, something they deal with in racing too. The car would go into limp mode for protection anyway, if oil temps get too high.

I’m running stock oil, stock car, street driving only, and while in sport mode I see exhaust temps go well above 600 deg C, the engine oil has never gone out of op range. Its hot where I live, usually 30-35 deg C in the day.

 

[Tri5tate]

I’m under the impression that the cooling system ramps up when it’s needed. With the nanny driving, the car in fact gets the oil up to temperature (which is good). And with more spirited driving, the cooling system kicks in to keep the temps in operating temperature.

I’ve been advised by a professional driver that additional cooling isn’t needed, unless tracking the car. And that the newer BMW turbo engines run hot, something they deal with in racing too. The car would go into limp mode for protection anyway, if oil temps get too high.

I’m running stock oil, stock car, street driving only, and while in sport mode I see exhaust temps go well above 600 deg C, the engine oil has never gone out of op range. Its hot where I live, usually 30-35 deg C in the day.

Yeah, I started to realize that these temps are quite normal when it comes to these engines. I drove pretty hard this past weekend and the temps on the oil actually went down a bit, probably from the cooling kicking in. I never really went above 106-107 C (220-225 F).
Although I can see my exhaust temps can go up to 850-870 C (1500-1600 F) for some instances, but then rapidly drop in temps as soon as you dont push it anymore.

Although what I also was wondering were if anyone that had switch from the factory 0W20 to 5W30 (or similar) would see cooler temperatures overall.

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