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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 09-07-2012, 07:21 AM   #21
ChrisRedmon
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Honestly im unsure.....thats a point i was hoping to clarify in this. I think there is a breake booster line in the top right of the engine bay. Ill check it out here in a few minutes.
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Old 09-07-2012, 07:37 AM   #22
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Follow arrow under cabin air filter

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Old 09-07-2012, 08:29 AM   #23
ChrisRedmon
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Thanks!!! Have you performed this job?


Is it indeed to work of satan?
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Old 09-07-2012, 08:53 AM   #24
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Yes I've done it before. Did it on my z3 when I first bought it I was having an issue where when I would take it out of gear instead of going to idle it would stall out. Did the seafoam and it never did it again in 4 years

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Old 09-07-2012, 09:03 AM   #25
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Z3 has the S54, correct? Which in case...how did you apply it?
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Old 09-07-2012, 09:05 AM   #26
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Z3 has a m52 it is a different application than shown above

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Old 09-07-2012, 09:06 AM   #27
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Ok, so you haven't done it on the S54 M3 motor?
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Old 09-07-2012, 11:54 AM   #28
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Haven't had a need to, but that picture shows you the best vacuum point to use

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Old 09-07-2012, 11:58 AM   #29
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Quote:
Originally Posted by ChrisRedmon View Post
Ok, so you haven't done it on the S54 M3 motor?
An s54 isn't made out of space metal, it's not mythical being with properties that defy the laws of physics. Pour a few oz of it in your motor, suck a few ozs of it into the manifold. Change your oil if you think thats needed and go fly a kite or something.
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Old 09-07-2012, 12:14 PM   #30
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Originally Posted by xixixi View Post
an s54 isn't made out of space metal, it's not mythical being with properties that defy the laws of physics. Pour a few oz of it in your motor, suck a few ozs of it into the manifold. Change your oil if you think thats needed and go fly a kite or something. :p
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Old 09-07-2012, 12:17 PM   #31
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Ok that's fine and dandy. Now save up for 2 years. Buy your dream car. And tell me if you just want to start pouring **** into a high compression engine


Not to be a dick. But this isn't something i want to suffer negative consequences from. If i shouldn't do it. So be it. If i should, i want to hear feedback from people that have done it.....On the same car.
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Old 09-07-2012, 02:42 PM   #32
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It's unlikely that you will do any damage to your M3 by putting Seafoam into the engine, but it's just as unlikely that you will see any real benefits either. Snake oil salesmen love to talk about "carbon deposits", but those haven't been an issue in automobiles since metered fuel injection replaced carburetors and all fuels were given added detergents. Carbon deposits are a result of overly rich mixtures and incomplete combustion, and if you have either your SES light will be lit like a Christmas tree. This is the same reason that the so-called "Italian tune up" is an anachronism. Hey, if it makes you feel better, go ahead and do it, but if you have any real carbon deposits in the innards of your engine you have some problems that urgently need to be addressed.

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Old 09-27-2012, 03:01 AM   #33
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Im not much of an additive guy just use proper maintenance and fluids. I just put sea foam in my truck and now have 0 psi compression on cyl. I would never put anything in my crankcase for sure on my m3. I doubt any harm in fuel tank but intake also might loosen up somethin nasty which you should have in your engine if you are using seafoam. And dont overmix for better results i you do want to risk your $22000 engine
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Old 09-27-2012, 03:02 AM   #34
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Additives are made for old ford trucks that you dont care about not " my precious"
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Old 09-27-2012, 03:06 AM   #35
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Just look at seafoam and imagine how it could have the same viscosity as your 10w60? Looks like it thins and if u cant talk yourself out of it, u should just put in engine after at operating temp and mainly idle for 30 min in driveway then drain it and wonder if it all drained out?
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Old 09-27-2012, 10:33 AM   #36
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I did it to my m3 last year. Didn't ruin anything. Poured some into the crank case and changed the oil about a month after I did it. Reminds me, I'll probably use the rest of it sometime soon when my oil needs to be replaced.
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Old 09-27-2012, 05:54 PM   #37
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Seafoam is really an inferior product. You are much better running Mopar Combustion Chamber Cleaner (MCCC) which you can get at any Chrysler dealer. It's much better for modern engines than Seafoam and it doesn't cost that much more.
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Old 09-29-2012, 11:46 AM   #38
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Even IF your engine had deposits, do you really want to knock them loose and send them thru the engine? That will do more harm then leaving them in place.
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Old 09-30-2012, 01:11 AM   #39
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True that wilsel. Just cause people dont notice immediate changes in cars performance getting worse after using cleaners doesnt mean it didnt do some damage and they prob didnt notice any change in performance in a good way either although i know several people who can tell themselves things have changed. Its up to individuals i guess. Just run quailty oils and fuels. Do maintenance and bag drive to flushout particles on the daily so they dont get big

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Old 09-30-2012, 05:21 PM   #40
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Used it in my gas as a fuel stabilizer when the M sat for a while. No problems but no better than stabil.
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