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      07-13-2019, 06:12 PM   #1
houtan
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2011 135i  [9.80]
DIY Oil Cooler best practices, tips, help

Planning on adding an oil cooler in the not to distant future so i was hoping to get some feedback from the experts on here that have done their own oil cooler and understand this stuff much better than i do.

There are two articles i have come across that i am sort of using as reference points.

Oil temp: https://www.hotrod.com/articles/engine-oil-temperature/

Oil cooler: https://www.pegasusautoracing.com/do...paign=201807-2

The oil temp article recommends oil temp getting to at least 220 degrees to burn off all deposits and accumulated water vapor. I see the most common thermostat being the improved racing 185 degree version. Does that mean the thermostat is not going to let the oil get to 220 degrees?

The oil cooler article makes a few points i find interesting:

1. Do not mount the cooler with the inlet and outlet pointing down. This is interesting to me because the ER cooler is mounted with both inlet and outlet at the bottom.

2. Don’t run two coolers in series. I believe every implementation of two coolers has been in series. Is this a concern for the n5x? i believe the ER dual cooler setup is in series. This Stett setup is also in series. https://www.ebay.com/itm/STETT-Perfo...4AAOSwy-5btQqh

3. Isolate the cooler from vibration. Is this one important? ER uses some rubber fittings, but a lot of the other companies and DIY setups do not put anything for vibration. The Stett setup in the link above has nothing for vibration.

Would appreciate any feedback you can provide.
Appreciate 1
AndyW669.00