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      04-26-2009, 07:20 PM   #1
scorcherjf
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Anyone upgrade their oil cooler?

I was tracking my bone stock 135i this weekend and the oil temps were getting pretty high. When my car is warmed up on the street it sits around 230, but on the track it was up at 250-260. I think it was pushing 270 after 30 mins of pushing it hard on the track. Someone's 335 (also stock) was overheating and going into limp mode after about 20-25 mins so it's obvious these turbo engines have heating issues...

Wondering if anyone has upgraded theirs for the track and noticed a big difference.
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      04-26-2009, 08:56 PM   #2
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I've run mine at the track 6-7 times and usually have engine temps running close to 270. The only time I've hit limp mode was, in my opinion, a combination of temp, high revs, high g cornering forces. It happened twice at the same track, same corner, same day, but no where else. Including a run session at a different track where engine temps were close to 275. I think there is more to limp mode than just engine temps or water temps. Certainly too hot will trigger limp mode, but I know of some cars that were hitting limp at 250. So it's either a build discrepancy between cars, or other factors that in combination trigger the fail safe.
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      04-26-2009, 09:13 PM   #3
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i ordered the HKS Twin Cooler. Just *waitin* for it...
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      04-27-2009, 01:32 AM   #4
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Are your cars automatic or manual?

My experience is this

My car its automatic
The first time I run with the 135i it was stock and it was in apretty demanding track its a 2 mins or more track per lap its a wtcc official track and I got very high temps and I have to chill every 4 laps

After that I bought a Setrab oil cooler so now i have oil coolers but then i installed jb3 and also I have dv forge , I came to another
track its a 1 20 secs lap and i came to limp with map 4 with map 2 no probs I have to say im a in a high altitude
Country

Then last month in a short track with jb3 I could run like 5 laps and then a half engine icon

This weekend I took off the jb3 and I could run 16 laps in one hit and I didnt reach the 135C the car was ok I just gave him one relax lap

Soon I will run in the 2 mins track and I will see if the oil cooler can work or only for a few more laps

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      04-27-2009, 09:02 AM   #5
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Not sure if being automatic makes a difference but I'm 6 speed. My laps were anywhere from 1:50 to 2:00 depending on how poor my driving was... heh. But I was pushing it as hard as I could for 30 mins, so about 15 laps per session. I did 6 sessions over 2 days.

I feel like I was just on the edge of limp mode after the runs (but never actually went into limp so I have no idea). Seems like doing any sort of tune/flash without upgrading your oil cooler is a recipe for disaster on the track.
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      04-27-2009, 11:08 AM   #6
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Pardon my extreme noobishness, but Intercooler = Oil Cooler?
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      04-27-2009, 11:44 AM   #7
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Quote:
Originally Posted by jeremydgreat View Post
Pardon my extreme noobishness, but Intercooler = Oil Cooler?
Intercooler is for cooling the air, which makes it more dense for the engine/turbos. Separate from the oil cooler, which cools the oil, heh =)

If you look behind your front passenger side bumper through the wheel well, you'll see a little vent there, which is our oil cooler. On the other side there is none, but some upgrade systems put another on the other side, which should effectively double the heat dissipation.
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      04-27-2009, 12:46 PM   #8
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Quick question on the same subject. If you had to change only one for track purpose, would you go with oil cooler or intercooler? Which one should give you more lap on a track without overheating?
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      04-27-2009, 01:19 PM   #9
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^ oil cooler give you more time w/o going into limp mode
Intercooler give you more time with most of your power

depends on how hot it is on the track, but our tiny stock intercooler usually max out before the oil starts overheating. but with the intercooler maxed, you get reduced power, but not limp mode. so you could still drive the car, just aren't as fast as it's when it's cold. you can easily cool down your intercooler between session I guess... spray water or even put ice around it. it's harder to get to the oil cooler, and you've to keep your car running while you spray water on the oil cooler.
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      04-27-2009, 02:22 PM   #10
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If I had to choose one, I would get the oil cooler hands down. It won't increase your performance, but your engine won't be overheating. Having to go into the pits and lose 5-10 mins of track time really sucks.

I plan on getting an upgraded intercooler as well. You won't really notice a direct limp mode with the intercooler, but you'll feel less power when the air is hotter, and less dense. With an upgraded intercooler, your turbos will actually only need to have less than stock boost to create the same amount of power as stock, because the air would be cooler and more dense.
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      04-27-2009, 02:46 PM   #11
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Quote:
Originally Posted by akak1997 View Post
^ oil cooler give you more time w/o going into limp mode
Intercooler give you more time with most of your power

depends on how hot it is on the track, but our tiny stock intercooler usually max out before the oil starts overheating. but with the intercooler maxed, you get reduced power, but not limp mode. so you could still drive the car, just aren't as fast as it's when it's cold. you can easily cool down your intercooler between session I guess... spray water or even put ice around it. it's harder to get to the oil cooler, and you've to keep your car running while you spray water on the oil cooler.
Quote:
Originally Posted by scorcherjf View Post
If I had to choose one, I would get the oil cooler hands down. It won't increase your performance, but your engine won't be overheating. Having to go into the pits and lose 5-10 mins of track time really sucks.

I plan on getting an upgraded intercooler as well. You won't really notice a direct limp mode with the intercooler, but you'll feel less power when the air is hotter, and less dense. With an upgraded intercooler, your turbos will actually only need to have less than stock boost to create the same amount of power as stock, because the air would be cooler and more dense.
Thanks! Very helpful

Now, which oil cooler? And where to buy it?

I've seen the HKS double oil cooler kit, but seems to me it will reduce the air flow to cool down the brakes because they sit right behind the two holes in the front bumper... that could be a big problem no?

Anything else out there?
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      04-27-2009, 04:01 PM   #12
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VK Motorwerks has an oil cooler for the 335, not sure if it'd work with 135
http://www.vkmotorwerks.com/oilcoolerupgardekit.html

Dinan has one too, but it's quite expensive
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      05-07-2009, 12:07 PM   #13
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Quote:
Originally Posted by philaf_666 View Post
Thanks! Very helpful

Now, which oil cooler? And where to buy it?

I've seen the HKS double oil cooler kit, but seems to me it will reduce the air flow to cool down the brakes because they sit right behind the two holes in the front bumper... that could be a big problem no?

Anything else out there?
Code3 Performance should have one out very soon. The same company that makes the 135/335i Spearco FMIC's.
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      05-07-2009, 12:19 PM   #14
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Quote:
Originally Posted by scorcherjf View Post
Not sure if being automatic makes a difference but I'm 6 speed. My laps were anywhere from 1:50 to 2:00 depending on how poor my driving was... heh. But I was pushing it as hard as I could for 30 mins, so about 15 laps per session. I did 6 sessions over 2 days.

I feel like I was just on the edge of limp mode after the runs (but never actually went into limp so I have no idea). Seems like doing any sort of tune/flash without upgrading your oil cooler is a recipe for disaster on the track.
I tried with my jb3 v1.22 with the extra oil cooler already installed and I went tolimp mode and recuded power quicker than stock conditions! as you said I every 10 mins i have to go pits to cool

For now I have 2 oil coolers ( stock & setrab ) I think it will work better with only the Setrab oil cooler , i will try it at track and let you know

regards
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      05-07-2009, 01:15 PM   #15
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Quote:
Originally Posted by Raflekt View Post
I tried with my jb3 v1.22 with the extra oil cooler already installed and I went tolimp mode and recuded power quicker than stock conditions! as you said I every 10 mins i have to go pits to cool

For now I have 2 oil coolers ( stock & setrab ) I think it will work better with only the Setrab oil cooler , i will try it at track and let you know

regards
Ah that stinks. I get the feeling the JB3 doesn't address all the parameters needed since it's only a piggy back. A flash like Dinan might be better for tracking the car since they tweak a lot more settings such as the water pump, etc. There's a number of things that cause it to go into limp mode, it might not even be your oil at all! What temperature did your gauge say you were at when you went into limp? I was pushing 260F and I still didn't go limp and this was a sunny 80F day.
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      05-08-2009, 01:22 AM   #16
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When i was stock I got 150 C now i only reach 130 with the oil cooler but sometimes like every 20 mins I got the rev limiter , the car switch gear slower than normal and I can reach 5 k rpms so I have to slow down for 1 lap and thats all


Quote:
Originally Posted by scorcherjf View Post
Ah that stinks. I get the feeling the JB3 doesn't address all the parameters needed since it's only a piggy back. A flash like Dinan might be better for tracking the car since they tweak a lot more settings such as the water pump, etc. There's a number of things that cause it to go into limp mode, it might not even be your oil at all! What temperature did your gauge say you were at when you went into limp? I was pushing 260F and I still didn't go limp and this was a sunny 80F day.
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      05-31-2009, 09:41 PM   #17
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Quote:
Originally Posted by jeremydgreat View Post
Pardon my extreme noobishness, but Intercooler = Oil Cooler?
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      08-21-2009, 12:28 AM   #18
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Quote:
Originally Posted by Raflekt View Post
For now I have 2 oil coolers ( stock & setrab ) I think it will work better with only the Setrab oil cooler , i will try it at track and let you know
Any updates?
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      08-21-2009, 12:36 AM   #19
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Quote:
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Any updates?
YES!! , WITH JB-3 my maximum temp was 133 C , and without it 130C , no probs at all , REmember I have stock oil cooler and setrab oil cooler, the setrab you can get it with Harold @ Hp autowerks , excellent vendor!

see my oil cooler here
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      08-21-2009, 08:33 AM   #20
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Quote:
Originally Posted by Raflekt View Post
YES!! , WITH JB-3 my maximum temp was 133 C , and without it 130C , no probs at all , REmember I have stock oil cooler and setrab oil cooler, the setrab you can get it with Harold @ Hp autowerks , excellent vendor!

see my oil cooler here
I'm not sure I understand your post.... So which provided lower temps at the track:

JB3 with Setrab AND stock oil cooler
JB3 with Setrab only
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      08-21-2009, 09:38 AM   #21
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Im talking about jb3 my configuration is stock OC and Setrab Oc always
Regards
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      08-30-2009, 01:07 PM   #22
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Quote:
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i ordered the HKS Twin Cooler. Just *waitin* for it...
Hey there,where did you order the HKS Oil cooler from.
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