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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 38.06%
Yes, But I dont recommend it. 7 5.22%
No, But I have thought about it. 52 38.81%
No, I would never do it. 9 6.72%
No, I have mixed feelings about it. 16 11.94%
Multiple Choice Poll. Voters: 134. You may not vote on this poll

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Old 12-19-2007, 02:43 PM   #41
323i_ATX
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I ran Seafoam on my 96 Integra GSR with 165,000 miles, and it ran so so so so so so so much better, the idle was completly smooth after, and while driving it felt like it gained at least 10-15 HP. It may have been such dramatic results because the car had 165K, but WOW! P.S. Change your oil and spark plugs after, maybe even your O2 sensors because mine stopped working after the seafoam. You will not regret it.
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Old 12-19-2007, 03:18 PM   #42
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i ran it numerous times in my maxima, and he clouds of smoke are etreamly enteraining.

The car always ran better afterward with smoother idle.........


if you pour it into your gas tank it is just ike ussing any other fuel injector cleaner
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Old 12-20-2007, 02:04 AM   #43
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I just did this 1 hour ago! Poured some into the vacume hose and sprayed some into the intake~!

Car runs much better now ^_^ I recomend this~

I did the pourin first and then drove around... felt the difference..

then came back and sprayed some into the intake.. couldnt really notice a difference there~

BUT i am happy with the results!
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Old 12-20-2007, 02:18 AM   #44
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I just did this couple weeks ago
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Old 12-20-2007, 02:30 AM   #45
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Cole, I'm curious about this as well. We should meet up and seafoam after the break. Supercharger is almost done!
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Old 12-20-2007, 02:54 AM   #46
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Cole, I'm curious about this as well. We should meet up and seafoam after the break. Supercharger is almost done!
sounds good to me....let's do it.

Thanks guys....keep em coming
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i was like passed out while she's shoving the entire bar in my mouth. :rofl: :rofl:
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Old 12-20-2007, 02:56 AM   #47
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seafoam
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Old 12-20-2007, 03:00 AM   #48
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seafoam is a brand....often referred to one of its famous products, a petroleum based product that cleans the engine of carbon build up
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i was like passed out while she's shoving the entire bar in my mouth. :rofl: :rofl:
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Old 12-22-2007, 11:45 AM   #49
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ok poured it in gas tank and in the engine. Hard to put it in the intake with MAFS off so I didn't get to put it in as much...

but no smoke

I guess next time i need to break the booster vacuum hose out and do it that way.
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Old 12-22-2007, 02:40 PM   #50
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you only get smoke when you do it through the PVC or booster line, not the gas tank. I just did this again yesterday and this time I only got about 5 sec of white smoke and slight hesitation, guess the engine is clean.
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Old 12-28-2007, 06:27 PM   #51
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Seafoam in gas tank only

Any benefits I will get? Should I put in the seafoam before I fill the tank up?

Instructions for this aren't on the bottle...
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Old 12-28-2007, 06:30 PM   #52
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Worked wonders in my 89 Jeep with high miles. I threw that sucker in the crankcase and in the gas. Put some of the leftovers in my BMW, same spot. Did not notice a difference in the BMW, but the Jeep I did, granted, the BMW has only 61 K on it. This weekend going to throw some in the wifes Mustang 5.0 vert, has over 140K on it. I imagine it will help alot. Just my experience.
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Old 12-28-2007, 06:35 PM   #53
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Do you think I'll notice any difference with just putting it in the gas tank? Should I do this before a big fillup?
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Old 12-28-2007, 09:57 PM   #54
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I did mine right before I filled up the tank. I think it was 2/3 of the bottle. The can said how much. Did notice a little bit more responsiveness after a while, but no miracles. All in all, def worth the 6 bucks...
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Old 12-28-2007, 10:06 PM   #55
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n00b question but how does seafoam work exactly??
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Old 12-28-2007, 10:16 PM   #56
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n00b question but how does seafoam work exactly??
Pour it in, cleans out sludge, carbon and crap.
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Old 12-30-2007, 02:22 PM   #57
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I just seafoamed according to the DIY found here. Everything worked out well, engine runs considerably smoother and I have a much better response. However, the check engine light came on after I reconnected the intake...

I have to get an axle replaced, so i'll just bring it to BMW to see what they say (I am assuming O2 sensor...). Nevetheless, the car runs wonderfully. A huge difference, I just wish the check engine light didn't come on...
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Old 12-30-2007, 05:03 PM   #58
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I just seafoamed according to the DIY found here. Everything worked out well, engine runs considerably smoother and I have a much better response. However, the check engine light came on after I reconnected the intake...

I have to get an axle replaced, so i'll just bring it to BMW to see what they say (I am assuming O2 sensor...). Nevetheless, the car runs wonderfully. A huge difference, I just wish the check engine light didn't come on...
Take it to Autozone and have it scanned. They can print out the code so will give you a heads up before you go to the dealer. Actually, most autopart stores have them, the first one I went to would not clear the code....said..."We can't do that." He also had no clue what he was doing, I had to show him the port, then he could not unplug it, had to do it for him. He did after pimp buying a 150 dollar one so I can do it myself....LOL. If you meet someone like that, just drive up the street to another store.

Just my 2 cents.

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Old 12-31-2007, 02:35 PM   #59
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Took it there. Had a P0171 and P0174, so I think there may be a problem with the vacuum line or boot. Going to try and recheck the valve, make sure everything is tight, and will check again.
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Old 12-31-2007, 02:47 PM   #60
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I believe (I'm not at my house so I can't check) that it's a lean fuel mixture in both banks. You probably tore the intake boot while you were playing with the airbox. I did it to mine once. The boot costs a whopping $15 at the dealer but it took about two hours to change it.
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