M3 is very efficient at cooling down?

[Siajoon]

I am not sure if there are any posts on this already but i have noticed that my m3 does a great job at cooling down very quickly... is it just me? or is it the design of this beautiful v8 power plant?

[Helmsman]

It generates massive amount of heat when running but yes agree once turned of it cooles down surprisingly fast!

[Jeg_e90m3]

I agree definitely cools down quickly, used to have an N54 335 and that thing was always hot!

[Siajoon]

Originally Posted by Jeg_e90m3

I agree definitely cools down quickly, used to have an N54 335 and that thing was always hot!

Yup I had a n54 135i and that thing would stay warm until the next morning I turned it on... okay I'm exaggerating a bit.. but you get my point haha

[Siajoon]

Originally Posted by Helmsman

It generates massive amount of heat when running but yes agree once turned of it cooles down surprisingly fast!

Yes I definelty agree with you, I forgot to mention that part as well.. it has an ability to reach operating temp very quickly and does like to heat itself up.. but like you said cools down rather quick as well

[m3boost]

When you shut the car off there is an AUX fan that will run with the car off and locked. The temps must be higher than normal for this to activate.

[Siajoon]

Originally Posted by m3boost

When you shut the car off there is an AUX fan that will run with the car off and locked. The temps must be higher than normal for this to activate.

Haven't experienced that yet.. how hot are we talking before that kicks in?

[Z K]

Originally Posted by m3boost

When you shut the car off there is an AUX fan that will run with the car off and locked. The temps must be higher than normal for this to activate.

It has done this for me as well on hot track days. The fan stays running to help cool it down when it is extremely hot. Usually when the temp gauge is showing 270 degrees or more.

[squartus]

I can always hear my fan running after I shut off and lock my car in garage, dont hear it anywhere else because to much noise.

[m3boost]

Originally Posted by Z K

It has done this for me as well on hot track days. The fan stays running to help cool it down when it is extremely hot. Usually when the temp gauge is showing 270 degrees or more.

Happens when you hit 220-230

[m3boost]

Originally Posted by Siajoon

Haven't experienced that yet.. how hot are we talking before that kicks in?

Check your battery. If it's old and not providing enough power the fan will not turn on at all and throw a code.