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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 12-17-2009, 11:42 PM   #61
E46DC2
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Doing this install after my smog > = /
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Old 12-17-2009, 11:43 PM   #62
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how long did this take you??
I did it a two day segment, one day to take them off and the other to put them on. To take them off, it took me from about 2:00 until it got dark around 6-7, but putting them on only took 2-3 hours. Its not hard, just getting your hands up in the hard to reach areas in the engine bay is the problem.
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Old 12-30-2009, 04:05 AM   #63
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my god. headers are insanity.

they actually aren't THAT bad, it's just really meticulous work because of how tight the spacing is. it takes a ton of time just to pull one nut off. Also getting to that nut is sometimes very challenging. I had to use a variety of extensions and sometimes a swivel. If i had a pneumatic ratchet it would have made it a lot easier. I also had to take off the exhaust in order to move the header enough to pull it off. as far as taking out the engine covers, i didn't really need to. I did however take out the cabin filter holder thing. Something else i didn't do was warm up the car and retorque the nuts. I tightened them good while cold. I don't have any leaks either (i just used oem gaskets). Another tip i have is not to jack up the motor too high or you'll bust a motor mount like me. luckily my friend works next to ireland engineering and got me a set of poly ones.

That's about all the info i could think of right now to pass on to future DIY'ers.

-Raj
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Old 01-05-2010, 04:02 PM   #64
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Some muffler shop told me If I had headers installed that I'm gonna have "exhaust leak" problems. Is that true? I'm gonna be using Stett Performance headers, ceramic coated, good welds.
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Old 01-06-2010, 12:45 AM   #65
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Some muffler shop told me If I had headers installed that I'm gonna have "exhaust leak" problems. Is that true? I'm gonna be using Stett Performance headers, ceramic coated, good welds.
Use OEM Gaskets & you should be good to go.
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Old 01-06-2010, 06:44 PM   #66
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yeah, definitely use OEM gaskets from the manifold to head, as far as the manifold to exhaust, i'm using the same old ones for now. I'm planning to change em out to copper ones soon.
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Old 01-13-2010, 06:03 PM   #67
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Which gaskets did you guys have to replace when installing?
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Old 01-14-2010, 11:49 AM   #68
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So when doing this install, would it be necessary to buy new OEM head gaskets? Or are the original ones already on there reusable?
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Old 01-14-2010, 12:32 PM   #69
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So when doing this install, would it be necessary to buy new OEM head gaskets? Or are the original ones already on there reusable?
You will run the risk of leaks.
I'm sure they would be fine but it would be a 50:50 risk.
You might as well do it right the first time & save yourself the labor & cost.
I'd recommend you to use new OEM Gaskets.
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Old 01-14-2010, 01:31 PM   #70
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You will run the risk of leaks.
I'm sure they would be fine but it would be a 50:50 risk.
You might as well do it right the first time & save yourself the labor & cost.
I'd recommend you to use new OEM Gaskets.
Right on, thanks for the info.
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Old 02-04-2010, 07:02 PM   #71
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So I just ordered my headers and now I need to order the OEM gaskets for the headers.
Does anyone have the part number for these? Having a bit of trouble finding them.

Thanks.
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Old 02-05-2010, 10:43 AM   #72
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I'm guessing #3 is the part I need?

*edit,

nevermind post 5 had my answer...lol

http://forum.e46fanatics.com/showpos...71&postcount=5

Last edited by cabl3i; 02-05-2010 at 10:50 AM.
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Old 02-26-2010, 02:07 AM   #73
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hey guys, as another little tid-bit of info to help out, when removing and replacing the bolts that hold the header to the block, I found it helpful to remove the washer fluid tank. So if you find yourself needing a little extra room with your ratchet, try that. Not sure if anyone mentioned it earlier in this thread, I glanced through and don't recall seeing anything, so if this is a repost, please disregard, just trying to help.
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Old 02-26-2010, 10:43 AM   #74
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hey guys, as another little tid-bit of info to help out, when removing and replacing the bolts that hold the header to the block, I found it helpful to remove the washer fluid tank. So if you find yourself needing a little extra room with your ratchet, try that. Not sure if anyone mentioned it earlier in this thread, I glanced through and don't recall seeing anything, so if this is a repost, please disregard, just trying to help.
I did that as well, good tip!
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Old 02-26-2010, 11:19 AM   #75
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I was able to complete this using this DIY in 11 hours, lol..it was perfect, nothing was skipped.
I removed the passenger side engine mount alright and then jacked up the engine a bit....good thing I didnt overdo it, I had no idea i was risking my other engine mount.
Having a slew of ratchets in different lengths and with swivel extensions helps A LOT.

Make sure you dont have any extra bolts or nuts left over at the end...if you do...you're in trouble
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Old 02-26-2010, 08:37 PM   #76
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^^^
Got a video before & after?
I am disapointed that I didn't do a before & after video shoot.
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Old 03-01-2010, 04:53 PM   #77
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Unfortunately I dont have any before videos either.
I have some after videos but havent transferred to my computer....I tend to put those kinds of things off a lot, lol.
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Old 03-09-2010, 06:17 PM   #78
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I'm in the process of swapping mine. I got the motor mount off, and just finished taking off the 4 o2sensors. I'm trying to decide whether or not I should remove the washer fluid reservoir. This whole job is a meticulous pain in the a$$.
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Old 03-09-2010, 06:45 PM   #79
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It will give you some more elbow room, but its not necessary.

With the right ratchets/swivels/extentions you can take off a little more than half of the screws from the top.
It helps if you also have a small mirror tool that someone can use to guide your fingers if you're working from the bottom.
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Old 03-09-2010, 07:34 PM   #80
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How did you go about getting the front top bolt off of the front header? And did you break the heat shields off the existing manifold gaskets? I've been yanking them up and down trying to break the little rivets, but it doesn't seem to be doing much. :/
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