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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

View Poll Results: Have you ever used Seafoam?
Yes, I highly recommend it. 51 37.78%
Yes, But I dont recommend it. 7 5.19%
No, But I have thought about it. 53 39.26%
No, I would never do it. 9 6.67%
No, I have mixed feelings about it. 16 11.85%
Multiple Choice Poll. Voters: 135. You may not vote on this poll

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Old 07-11-2006, 01:45 PM   #21
kpeng
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Thanks for the input guys!

I think about 300 miles before my next oil change, I'm going to put some in the gas tank and crankcase. That way, changing out the oil should flush all the gunk out right?

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Old 12-19-2007, 12:26 AM   #22
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Seafoam User Reviews and Experiences

Well I have been considering doing it lately, and I know its a cheap and easy way of helping maintain the longevity of our cars. So I am hoping to get thread full of experiences, tips, thoughts, etc.

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Old 12-19-2007, 12:34 AM   #23
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The concept seems reasonable, but the process of pouring liquid into the intake scares me. Mess up and pour in too much of the stuff too quickly and you risk bending connecting rods since liquids don't compress like air. Kinda like self induced hydro-lock.
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Old 12-19-2007, 01:25 AM   #24
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Bump! Im very curious about this too and would like to try~
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Old 12-19-2007, 01:30 AM   #25
Dan04E46
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I have a can of this stuff just sitting in the garage. I've been meaning to use it one of these weekends.
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Old 12-19-2007, 01:33 AM   #26
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Im too scared to buy and use
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Old 12-19-2007, 01:45 AM   #27
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^ Same with. Cuz I dont want to get my spark plugs and oil replaced when I want to do it. Also I dont want to put it through the intake and everything.

Maybe just the gas tank
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Old 12-19-2007, 04:08 AM   #28
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totally awesome! no cons as long as u follow the diy
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Old 12-19-2007, 04:43 AM   #29
ShiftyGerman
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I haven't heard of this. What is seafoam exactly? Is it some kind of a cleaner?
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Old 12-19-2007, 05:28 AM   #30
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i used it on my father in laws 95 s10 and gawd damned it was running great after and still is three weeks later. it filled my neighborhood with smoke.
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Old 12-19-2007, 07:23 AM   #31
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I haven't heard of this. What is seafoam exactly? Is it some kind of a cleaner?
Ditto, I've never herad of this.
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Old 12-19-2007, 10:28 AM   #32
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Ive used it on my 330, and it works. I would recommend at least changing oil afterwards. Car definitely ran better. Just be kinda conservative with it as you pour and you will be fine.
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Old 12-19-2007, 11:00 AM   #33
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Works great. I use it before every other oil change. It gets a lot of crap out. I don't put it in the intake. Rather I use about half the bottle through the brake booster line while I have someone hold the car's RPMs at 2000. Then pour 1/4 into the crankcase, then another 1/4 into the gas tank. Stuff does wonders, and takes out a lot of crap.
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Old 12-19-2007, 11:57 AM   #34
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Works great. I use it before every other oil change. It gets a lot of crap out. I don't put it in the intake. Rather I use about half the bottle through the brake booster line while I have someone hold the car's RPMs at 2000. Then pour 1/4 into the crankcase, then another 1/4 into the gas tank. Stuff does wonders, and takes out a lot of crap.
Exactly what I do. I love getting rid of carbon.
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Old 12-19-2007, 12:12 PM   #35
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If I put this into the intake...I would just pour it through the air filter? So, I could just very slowly pour a can of it in my intake and not hurt anything right?
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Old 12-19-2007, 12:46 PM   #36
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If I put this into the intake...I would just pour it through the air filter? So, I could just very slowly pour a can of it in my intake and not hurt anything right?
No. you have to bypass the MAF sensor(and any other sensors), that's why people use the brake booster hose for the e46.

I used it on my old Isuzu Rodeo. Can't tell the difference. I use it to think I can clean the cat converter..Passed smog..so maybe it worked.
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Old 12-19-2007, 02:05 PM   #37
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And if I pour this into the gas tank, would I still ruin my oil and o2 sensors?
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Old 12-19-2007, 02:32 PM   #38
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And if I pour this into the gas tank, would I still ruin my oil and o2 sensors?
people have said no, but think about it, all that THICK nasty smoke going through the o2s' - i bet it screws them up. Id be careful.

(did it to a friends mx6, make sure you have a beer for the smoke show)
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Old 12-19-2007, 02:38 PM   #39
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So...im going to be due for an inspection II in feburary...I guess I could do it right before that...
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Old 12-19-2007, 02:40 PM   #40
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And...im 16, but if you want to send me some.....
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