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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Cleaning the intercooler



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      05-07-2009, 11:53 AM   #1
Terrance28
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Cleaning the intercooler

Does anybody know what the proper way to clean the oil out of an intercooler is? I did a search and couldn't find anything. I will be installing a occ as well so I don't have to do it again. But I am noticing a slight build up of oil.
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      05-07-2009, 02:46 PM   #2
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Get some acetone, pour it into the intercooler, block off the ends, slush it around a bit, unplug and pour out.

Repeat until you're happy.

-scheherazade
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      05-08-2009, 04:26 PM   #3
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What is acetone and where do I find it? After the slush around with the acetone can I flush it out with water, drain then let it dry?
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      05-08-2009, 05:02 PM   #4
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acetone is CH3COCH3
no need for water, acetone it evaporates
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      05-08-2009, 09:15 PM   #5
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Have you actually tried acetone as a solvent for motor oil? Just wondering (though I know it dissolves many things).

Scalbert advocates the use of gasoline...
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      05-09-2009, 01:50 AM   #6
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Quote:
Originally Posted by scheherazade View Post
Get some acetone, pour it into the intercooler, block off the ends, slush it around a bit, unplug and pour out.

Repeat until you're happy.

-scheherazade
+1 but remember to dispose of waste legally.

Also install oil catch can to keep intercooler dry. Oil acts as an insulator and reduces heat transfer from intake charge to cooler. Probably one of the cheapest and most overlooked mods.
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      05-09-2009, 02:23 PM   #7
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Quote:
Originally Posted by XPO186 View Post
Have you actually tried acetone as a solvent for motor oil? Just wondering (though I know it dissolves many things).

Scalbert advocates the use of gasoline...
i used acetone to clean out my intercooler works grate

i even know some people that clean injectors with acetone
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      05-09-2009, 03:58 PM   #8
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Quote:
Originally Posted by scheherazade View Post
Get some acetone, pour it into the intercooler, block off the ends, slush it around a bit, unplug and pour out.

Repeat until you're happy.

-scheherazade
very useful tip! thanks!
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      05-09-2009, 08:05 PM   #9
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Very good info, anybody know where I can get this stuff?
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      05-10-2009, 08:07 AM   #10
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