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      08-04-2012, 02:18 PM   #33
txz4
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Drives: 2006 M coupe
Join Date: Oct 2010
Location: san antonio, texas

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Quote:
Originally Posted by S2000 View Post
Thanks for the write up as I am in the process of shopping for Z4M header.
I want to get one that is closest to plug and play.

From reading various posts, my understanding is the stock has 5 bungs connections:
1) EGT
2) Bank 1 - pre-cat O2
3) Bank 1- post-cat O2
4) Bank 2 - pre-cat O2
5) Bank 2 - post-cat O2

Modifications are made because either the new header does not provide enough holes for those 5 bungs OR they are located incorrectly causing interference.

It looks like from picture, this Tuner Supersprint header has all the correct placement for those 5 bungs and will be direct plug and play, plus does not trip CEL.
Is my understanding correct?
http://www.turnermotorsport.com/p-85...converter.aspx
As said above, you need cats (or a tune) or it will throw a code. If you have it tuned by evolve like many of us now do, you wont get any codes so long as your o2s are connected.

Good to see another M in Texas!!
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