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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 11-16-2010, 02:20 PM   #1
Blown330
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E46 header install - few tips.

So I just installed a set of headers (yes, ebay) on my 330 and I thought I'd give a few tips...

First off, by searching on here before I did the job I thought I was gonna have a 8-10 hour job in front of me. Hearing the horror stories about the nuts being inaccessible and all, no way to put a ratchet on all but 3-4 of them. I read alot of good threads, and it was a great help.

First:





The install took me roughly 5 hours, from the time I popped the hood. The stock manifolds were on the ground in 1.5 hours. Why was it so quick?

1 - Air ratchet (if you're not using one, you're doubling the time and amount of cursing it takes to remove the stock manifolds)

2 - 3'' 3/8 drive extension cut to be approx. 1'' long and the square remade. Or if you can find a 1'' extension at your local store (again, the difference between able to put a ratchet (air or manual) on the nut or not doubles the job). This extension, in combination another 3'' extension (4'' total) will enable you to put the ratchet to all but 1 or 2 nuts, the extensions placed strategically in different positions.

3 - I had a hoist to work with (not accessible to everybody, I know)

4 and 5 - Universal 11mm socket (not a universal joint plus the socket) and a long, curved and swivel headed 3/8 ratchet.

6- Remove the ww tank, secondary air pump and OLD heat shields (give it a good tug)

All of the nuts can be removed with the ratchet/air ratchet except 2 (I think) underneath the back manifold. If you remove the front manifold first, the bolts that were inaccessible are easy to remove.

For me, the flanges didn't match up to the exhaust (an inch too short and flanges were 90 degrees off) I probably got a set for another model, so I brought the car to my local muffler shop (open header, braaapppp...lol) to cut the stock exhaust and match it to the headers.

Headers - $100 shipped
Muffler shop - $50
VHT Flame proof paint - $15

total cost - $165, no $800 overhead as I've read on here often.

Bonus:
I noticed while my car was up in the air that the butterfly valve was seized in the closed position, a few extra ponies there too

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Last edited by Blown330; 11-16-2010 at 02:22 PM.
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Old 11-16-2010, 02:24 PM   #2
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way to go. You are absolutly right air tools do cut down the town, but after you do it a few times I can get it done i 6 hours with hand tools. the lift saves you time getting the car in the air but its easier in my opinion to work on the ground.

I hope my thread was useful/
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Old 11-17-2010, 01:06 PM   #3
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AWESOME! Seems you had a Time of your life installing those Headers. The people who talking about $800 bux overhead are the one who send it off to a shop to get install. When labor only suppose to be 3-400 bux.

The Headers you got was for a 323/328. Also, any issues with your post o2 not bolting up?

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Last edited by BimmerBrakes; 11-17-2010 at 01:09 PM.
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Old 11-17-2010, 01:22 PM   #4
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Quote:
Originally Posted by Anthony@BimmerBrakes View Post
AWESOME! Seems you had a Time of your life installing those Headers. The people who talking about $800 bux overhead are the one who send it off to a shop to get install. When labor only suppose to be 3-400 bux.

The Headers you got was for a 323/328. Also, any issues with your post o2 not bolting up?

-Anthony@BimmerBrakes

BTW: Enjoy them One of the Best Mods for the E46!





also it looks like from your pic that your tire is preety blad... is it dirty or low tread.... just an observation...

Last edited by Steven747; 11-17-2010 at 01:23 PM.
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Old 11-17-2010, 03:49 PM   #5
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Nice dude!
The install is much easier than everyone says right?
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Old 11-17-2010, 08:18 PM   #6
Blown330
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Quote:
Originally Posted by mvrk10256 View Post
way to go. You are absolutly right air tools do cut down the town, but after you do it a few times I can get it done i 6 hours with hand tools. the lift saves you time getting the car in the air but its easier in my opinion to work on the ground.

I hope my thread was useful/
Indeed it was, thanks (i was looking for it, but only came up with kpeng's in this post)

Of course, being ebay headers, the rear 02's couldnt work..no clearance, so I just had the muffler shop dude weld 2 bungs post headers, no biggy.

Car has woken up significantly, especially since I cut out the butterfly valve that was seized shut. Butt dyno tells me 20-25 whp easy, but going on real dyno next week.

Yeah my rears are done (putting winters on soon), its the supercharger's fault

This thread was meant for all the guys on here with the headers sitting in their bedrooms or kitchen table like me Job is not that bad, if you have the right tools
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Old 04-23-2012, 04:03 PM   #7
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I'm fuccking hating this right now.
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Old 04-23-2012, 05:42 PM   #8
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Well done. I sincerely hope that VHT paint holds up and insulatess well as a true coating. If so, you just saved $300-$400.

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I'm fuccking hating this right now.
I just now noticed the dates.

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Old 04-23-2012, 05:47 PM   #9
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Quote:
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I'm fuccking hating this right now.
You mean you hate being in Cali cause of their emissions?
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Old 04-28-2012, 12:28 PM   #10
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i'm wondering too!

you got a great car, w/good mods(headwork!!).
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Old 11-21-2013, 09:26 AM   #11
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How hard is it actully to install headers min have been sitting around for a while not sure if i should install them myself?
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Old 11-21-2013, 11:43 AM   #12
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If your exhaust and manifold bolts are rusted, it sucks because it'll be hard to get them off.

The install itself isn't difficult. Jacking up the car is probably the hardest part. The rest is common sense.
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Old 11-22-2013, 12:45 AM   #13
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not hard but tedious
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Old 11-23-2013, 02:29 AM   #14
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E46 header install - few tips.

Which seller did you purchase off of? All the ones I see are around $300.


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Old 11-30-2013, 10:39 PM   #15
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I did this job this weekend at the same time as oil pan gasket and engine mounts. Super annoying.
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Old 12-01-2013, 12:09 AM   #16
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E46 header install - few tips.

Quote:
Originally Posted by Gheybe View Post
I'm fuccking hating this right now.
Runnin no headers in Cali for almost 3 years


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Old 12-09-2013, 08:13 PM   #17
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i believe these are the ones your talking about yes?

http://www.ebay.com/itm/00-01-04-06-...c050f8&vxp=mtr
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Old 02-16-2014, 03:57 PM   #18
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So is the link above a good choice for header purchase?

Never mind, link is no good. Anyone know of a good seller for headers on 01 330i?

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Old 02-16-2014, 10:29 PM   #19
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Bimmerbrakes seem to be pretty well regarded.
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Old 02-17-2014, 12:11 PM   #20
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Going on 4 years on ebay ones, no issues whatsoever...

Can't recall the ebayer I got them from though, sorry.
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