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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 30k Intercooler Juice--Yummy Pics



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      04-12-2009, 04:49 PM   #23
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A friend of mine, who is a BMW tech, flushed my intercooler. In BMW's infinite wisdom, the procedure was much more complex than it needed to be.

Front bumper came off (although I think you can do the flush without taking off the bumper) and I/C came off.

He used 2 liters of a "distilled water/cleaner" to flush the I/C. The amount of sludge that came out was surprising. The picture shows the result of the flush. We used seven gallons of distilled water to flush the system after use of the cleaner.
ok cool....any details on the actual procedure? What kind of cleaner, just a degreaser i'm assuming?

I'm planning on flushing the intercooler on my M3 soon, so i'm curious as to what BMW recommends on the n54
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      04-12-2009, 04:59 PM   #24
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Purple power with water in the IC followed by shaking it for 30 seconds, drain, and repeat a couple times works real well. Just flush it with a garden hose after that. Done it many, many times with other cars.
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      04-12-2009, 04:59 PM   #25
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Quote:
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ok cool....any details on the actual procedure? What kind of cleaner, just a degreaser i'm assuming?

I'm planning on flushing the intercooler on my M3 soon, so i'm curious as to what BMW recommends on the n54

It's the stuff the dealer uses for flushes. Unfortunately, I don't know the name of the stuff.
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      04-12-2009, 07:37 PM   #26
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In the past, I used gasoline on several IC's and it works well. Not to mention evaporates quickly too.
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      04-12-2009, 07:39 PM   #27
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In the past, I used gasoline on several IC's and it works well. Not to mention evaporates quickly too.


not a bad idea, is gasoline corrosive to aluminum?
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      04-12-2009, 07:55 PM   #28
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to aluminum nah everything is usually okay...
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      04-12-2009, 08:37 PM   #29
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Quote:
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In the past, I used gasoline on several IC's and it works well. Not to mention evaporates quickly too.
straight gasoline?

and should you flush the IC with distilled water after?

thanks
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      04-12-2009, 08:54 PM   #30
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In the past, I used gasoline on several IC's and it works well. Not to mention evaporates quickly too.
Oops

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      04-12-2009, 08:56 PM   #31
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hmm? intercooler juice and windshield washer fluid? are you doing a little meth injection?

No meth here.
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      04-12-2009, 09:30 PM   #32
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wow.... you don't reckon that had any effect on the heat transfer process do ya?
I'll soon found out next weekend.

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Originally Posted by AlpineCloud9 View Post
are you serious? thats how much oil is trapped in the IC?
There was a lot of sludge

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I've had a catch can and nothing came out of my intercooler when I switched it lol thank god

that shit is scary

wonder how you got it in the bottles like that? lol
a funnel and pressure system.

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Originally Posted by A418t81 View Post
I'm sure those bottles also include the solvent which he used for cleaning/filling the FMIC.
We have a winner.
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      04-12-2009, 10:14 PM   #33
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So are you considering a catch can?
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      04-13-2009, 03:14 AM   #34
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So are you considering a catch can?
i know i am.
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      04-13-2009, 04:06 AM   #35
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come on. he works for ________ and want to sell you an IC ! lol
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      04-13-2009, 04:08 AM   #36
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This is the exact reason I ordered a Riss Catch Can. If you want to protect you intercooler, especially everyone of you that have an aftermarket intercooler, spend the $100 for the protection! Bubbles that looks horrible!
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      04-13-2009, 06:26 AM   #37
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Quote:
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So are you considering a catch can?
No, not with my current 335i. In hindsight, an oil catch can would be my first mod.

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come on. he works for ________ and want to sell you an IC ! lol
What are you implying?

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Originally Posted by Former_Boosted_IS View Post
This is the exact reason I ordered a Riss Catch Can. If you want to protect you intercooler, especially everyone of you that have an aftermarket intercooler, spend the $100 for the protection! Bubbles that looks horrible!
It looks worse in person. I'll know this weekend if performance improves.
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      04-13-2009, 07:28 AM   #38
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Quote:
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No, not with my current 335i. In hindsight, an oil catch can would be my first mod.



What are you implying?


It looks worse in person. I'll know this weekend if performance improves.
That oil in the IC couldn't possibly help performance though!
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      04-13-2009, 07:38 AM   #39
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Makes me want to rip off my IC on my next oil change and do this myself.
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      04-13-2009, 08:16 AM   #40
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straight gasoline?

and should you flush the IC with distilled water after?

thanks
Nope, just let it sit for about an hour after proper draining.
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      04-13-2009, 08:16 AM   #41
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Oops

Don't smoke while cleaning it and everything is fine.
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      04-13-2009, 08:17 AM   #42
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not a bad idea, is gasoline corrosive to aluminum?
It works great, as you are aware, gasoline cleans up oil very well. And no, it is fine with aluminum.
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      04-13-2009, 08:25 AM   #43
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It works great, as you are aware, gasoline cleans up oil very well. And no, it is fine with aluminum.
oh yeah it does....if the two were going to fight, gasoline would whoop oils ass.
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      04-13-2009, 09:35 AM   #44
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Don't smoke while cleaning it and everything is fine.
Never underestimate stupidity!
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