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04-29-2019, 11:42 AM | #23 |
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i'll be bolting on my set sometime in may.
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04-30-2019, 06:54 AM | #24 |
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Glad I stumbled upon this thread. Looking forward to more reviews. Anyone fit these one yet?
My E92 M3 is completely catless and I don't mind the smell, but I'm wondering if how this will work on a Roadster. I did a secondary cat delete but have a spare X-Pipe. If reviews are good, I might end up doing this at the same time as my rod bearings.
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05-06-2019, 12:30 PM | #25 |
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I haven't fitted mine on yet. But Residentj3553 sent me these pics of test fitting the headers (his engine head is off right now) bolts right up into section 1 and no fitment issues with clearing any of the bracing/shielding underneath. Looks promising! (He got his headers ceramic coated)
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
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05-13-2019, 04:50 PM | #26 |
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This sounds too good to be true hope that's not the case lol def ordering as soon as someone confirms fitment
Are all e46 m3 headers exactly same size/fitment as z4m? |
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05-13-2019, 04:54 PM | #27 |
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Yeah all E46 M3 headers are the same size/fitment as the M from my understanding aside from the American Racing headers. Most companies list that they'll fit both cars!
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
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05-19-2019, 06:41 PM | #28 |
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If what I've read - that Megan Racing bought one of the Chinese manufacturers that was selling headers on eBay (Merz-somethingoranother?) - is true, then these are the headers that I have installed in my Z4MC. They definitely look like the same design and manufacturing quality (about which I was pleasantly surprised) as mine.
I *am* chasing an exhaust header leak right now, which may or may not be my own damn fault, but at least visually these headers lined up and bolted down easily / flatly enough. The gaskets that they came with were garbage so I just threw them out, FWIW. |
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05-19-2019, 06:45 PM | #29 | |
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Quote:
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
2012 BMW 135i N55 DCT Alpine White/Coral Red, FBO, TBI, Full e85, JB4 BEF-Sold 2006 Z4 M Roadster Black/Black-Sold 2021 M2 Competition DCT Hockenheim Silver |
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05-20-2019, 09:12 PM | #30 | ||
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Quote:
Quote:
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05-30-2019, 03:34 PM | #31 |
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Anyone put these fully on and confirm fitment is good so I can purchase 😃
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05-31-2019, 10:18 AM | #32 |
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I've been meaning to get my engine back together atm.
Just been busy with work and life. Will report when I bolt them down! |
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06-07-2019, 11:15 AM | #34 |
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Ladies and gentlemen per Residentj3553 install on his car these headers appear to be a perfect fit once bolted as seen below!
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
2012 BMW 135i N55 DCT Alpine White/Coral Red, FBO, TBI, Full e85, JB4 BEF-Sold 2006 Z4 M Roadster Black/Black-Sold 2021 M2 Competition DCT Hockenheim Silver |
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06-07-2019, 11:47 AM | #35 |
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06-10-2019, 05:45 PM | #36 |
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Installed mine as well and fitment is great! Bolted right up with enough clearance around everything.
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06-10-2019, 05:46 PM | #37 |
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Awesome!
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
2012 BMW 135i N55 DCT Alpine White/Coral Red, FBO, TBI, Full e85, JB4 BEF-Sold 2006 Z4 M Roadster Black/Black-Sold 2021 M2 Competition DCT Hockenheim Silver |
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06-14-2019, 09:31 AM | #38 |
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That's just insane that these can be had for that cheap. I mean what is it costing them to have them made so that they actually make some money?!??! I'm sticking with the Euro's I have but if I was looking for a set, you just can't beat the price point on these, even if they required a bit of work. Crazy.....
Wish they had an X-pipe !! |
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06-14-2019, 10:29 AM | #39 | |
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The general consensus is that these headers are the best value, and they were confirmed to be the AA design from the same factory. That said, anybody looking should be aware of this post from AA (take it with a grain of salt because of the obvious bias, but best to be fully informed).
Quote:
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E46 M3 Coupe 6MT Jet Black/Cinnamon GONE
E85 Z4M Roadster Imola Red/Black GONE E90 M3 Sedan 6MT Jerez Black/Fox Red GONE E86 Z4M Coupe Interlagos Blue/Black E92 M3 Coupe 6MT Interlagos Blue/Fox Red - Build Thread |
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06-14-2019, 11:00 AM | #40 |
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Great post shown above^ but there are some things to address. I did speak to Megan racing when I went to their facility and with that being said there was a fitment issue back in 2017/2018. With that resulting, they told me they test fit every piece on their jig (here in SoCal) before selling them/shipping to their distributors after that happened. So quality control has changed from before.
The gaskets I agree 100% are not made from the highest quality. Will they get the job done, absolutely. But for piece of mind you can buy the oem gaskets which still makes the headers relatively inexpensive, you could buy the headers+new oem gaskets for ~$300. It's not like Megan Racing is a stranger though, they've been supporting the e46 M3 platform for quite some time. People spending $2000 on headers for these cars are just feeding companies who try to take advantage of us
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
2012 BMW 135i N55 DCT Alpine White/Coral Red, FBO, TBI, Full e85, JB4 BEF-Sold 2006 Z4 M Roadster Black/Black-Sold 2021 M2 Competition DCT Hockenheim Silver |
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06-14-2019, 04:12 PM | #41 | |
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Funny you brought this up since AA headers isn't exactly known to be "quality" items to begin with. Remember this?
https://www.zpost.com/forums/showthread.php?t=1415820 Quote:
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06-15-2019, 10:35 PM | #42 |
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I just ripped out the M-whatever eBay headers (i.e. same as the Megan ones) and replaced them with a set of SuperSprint stepped headers.
The difference in quality and fitment felt worth $2k to me, especially after seeing this: It's not simple to construct low-run performance parts by hand and get consistent output unless the jigs are of a very high quality, and substantial time is invested in both design and manufacturing to ensure that the parts will fit appropriately - especially when large temperature swings are involved. Anyway, just one person's opinion, but "you get what you pay for" is often true. |
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06-17-2019, 08:30 AM | #43 | ||
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06-19-2019, 10:33 AM | #44 |
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For 250$ its too cheap not to try is the basis of this all.
If it ends up not working after a while then i'm sure we can all agree it was worth a shot. And removing headers isnt the hardest job in the world. Just swap them out with a good quality brand worst case scenario!
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