Euro Header install

[beta]

Originally Posted by RobMCoupe

I finally installed Euro headers and section 1 last week. Put about 50 miles on it so far. No CEL/SES code so far. My shop reset ECU and adaptation. No ECU tune. It is looking good so far. The real test is if it will pass CA smog later this year.

+1 Suscribed. I'd be very interested to know if you would pass CA smog with the full euro setup. I like keeping things OEM, and as I see it the original european spec is more OEM

[RobMCoupe]

I hear many E46 M3s passed smog with Euro specs. They all have some ECU tune. I will report back later this year when I am due for smog check.

[ZStig]

2 locals shops are having problems finding a 90* 02 bung, and think fabricating it will be pretty hard. Can anyone help?

[Blind32]

Great info in this thread!

Originally Posted by RobMCoupe

I purchased Euro section 1 used. My shop used the original O2 sensors.

Where did you find a Euro section 1 and how much if you don't mind?

[RobMCoupe]

Originally Posted by Blind32

Great info in this thread!



Where did you find a Euro section 1 and how much if you don't mind?

Section 1 for Z4M is hard to come by. I happen to run across it on this board from a UK user. The best route is to modify an existing US section 1.

[MPOWER78]

Were can i get a EGT bung, i'm going to do my headers soon . I got them form Diokaef.

[ZStig]

looks like I found a 90 degree bung, not sure if the threading is universal

http://stores.channeladvisor.com/aut...temid=13552227

[johanness]

Originally Posted by RobMCoupe

I purchased Euro section 1 used. My shop used the original O2 sensors.

Congrats!

So to be clear... the shop just 'unfolded' the needed length from the ECU or you used the original O2's that came with the Euro (longer) ones?

I'm under the firm belief that the cat-count of the Euro section 1's are different than ours (greater count, as it's their primary).

Any rasp?

[MPOWER78]

Originally Posted by johanness

Just so everyone knows... Despite being what I consider the perfect install, I keep throwing a CEL related to 2C7E - Oxygen sensor after Cat trim control.

In the process of working it out. Car pulls like a banshee tho. Absolutely the best mod thus far.

It looks like your down strem o.2. sensors are too far down the the cat: convetor , and they are picking up unburned HC & CO . I am very confident if you move your o.2. sensor ferder down pass the ceramic interier your s.e.s. light should be fixed...

[ZStig]

eh, screw it, I'll just get a blower and the tune will assure I won't have to spend money relocating the sensors

[johanness]

Originally Posted by MPOWER78

It looks like your down strem o.2. sensors are too far down the the cat: convetor , and they are picking up unburned HC & CO . I am very confident if you move your o.2. sensor ferder down pass the ceramic interier your s.e.s. light should be fixed...

When you lift/remove the heat shield, you will see the flat spots that represent the stock Euro locations for their O2's. That's why they were mounted there (much like others on this forum). It's clear to see where they 'should' go. Can you please expand on your idea so I understand where you're suggesting? Please use my pic as a reference.

[RobMCoupe]

Originally Posted by johanness

Congrats!

So to be clear... the shop just 'unfolded' the needed length from the ECU or you used the original O2's that came with the Euro (longer) ones?


Any rasp?

Just unfolded the original O2s. I'm not sure if you can call it rasp, but it has a distinct sound over 5k RPM. It sounds like stock during normal driving.

[MPOWER78]

I have seen others on the forums and the bungs are closer to the locations were i'm pointing at . your o.2. are picking up too much unbured gases ..becaues of the locations of the buns..

[MPOWER78]

some pics i found here..

[johanness]

^^^ Hmm. I'm open to others comments about this before I commit to changing the locations of them. My only concern is that you can see exactly where they're mounted on the Euro Sec 1's.

Maybe Rob can comment on their location of his recent install?

[MPOWER78]

Ya , but or cats are not euro spec..

[MPOWER78]

one more..

[dorifto88]

yes please, if rob could provide pictures of his section one and show exactly those o2 sensors go id super appreciate it !

[RobMCoupe]

I will try to get some pics this week. Have to go back to shop and put it on the lift. I had my section 1 at the shop for a month and don't remember the exact location. It was pretty far back and behind the cat. I'll try to get the pics by Friday.

[dorifto88]

thanks. your car is at performance technique, right? I saw it there when my ssk was being installed

[RobMCoupe]

Originally Posted by dorifto88

thanks. your car is at performance technique, right? I saw it there when my ssk was being installed

Yes, that was my car. I will get my Sromung this Friday and try to get it install the same day. Will get pics then.

[Blind32]

Great pics, Very interested in as many pics as I can get to show the exhaust shop I'm taking mine to.