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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 11-25-2012, 04:17 AM
bimcwe bimcwe is offline
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Location: Illinois
 
Join Date: Aug 2012
Posts: 122
Mein Auto: 2002 325xi
Question ICV Cleaning: TB or MAF Cleaner?

Replaced my intake boots, a vacuum tube, & cleaned my throttle body, my MAF, amongst an array of other things the week before last. But I didn't clean my ICV while I was in there... looking back I wish I had done this, but since ANOTHER tube has evidently ruptured, I'm planning on cleaning it while I'm in there finding out just what additional piece of rubber has decided to inconveniently go to sh**. Have been having a rough idle issue anyway. But I'm wondering which product to use. I have CRC MAF cleaner and CRC TB cleaner, but I've heard both being used to clean the ICV. Apparently the ICV is made of the same material(s) as the TB, and that's what I've heard used the most, but I would just like to go ahead and clarify before I go spraying the wrong chemical in there.
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Last edited by bimcwe; 11-25-2012 at 04:19 AM.
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  #2  
Old 11-25-2012, 06:52 AM
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Scottji Scottji is offline
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Location: California
 
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Mein Auto: 2004 325i
My understanding is that the MAF cleaner is a gentle electrical sensor cleaner, whereas TB cleaner is a little more harsh. I used TB cleaner with no problems, and that'd probably be a little more effective than an electrical sensor cleaner like a MAF cleaner.
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Old 11-25-2012, 01:46 PM
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charlesberry charlesberry is offline
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Mein Auto: E46 E89 F30(Msport)
I used the TB cleaner on the ICV months ago and it works fine.
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Old 11-25-2012, 10:00 PM
GoForthFast GoForthFast is offline
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Mein Auto: '04 330Ci 6-speed
+1
Same material with a flap. That says it all.
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