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      03-06-2012, 01:13 AM   #42
beta
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Drives: 2006 M Roadster
Join Date: Mar 2011
Location: CA

iTrader: (2)

Euro Headers and Cats

Part Numbers:

Euro Cats 18307836633
Euro Headers (LHD) 11627833500, 11627833501

After installation the main thing you'll notice, besides the extra power, is the sound. The engine sound is slightly louder, but what I noticed the most is that at wide open throttle it adds a raspy white-noise type sound.

Headers and Cats coated by Zircotec in performance black.



Original headers and cats.





Ready for surgery.



Closeup with gaskets and coper fittings



All done.




Edit: Here are some additional pictures on how to route the O2s nicely.

The heat shield comes with the holes cut out, so no cutting should be required. I did not have the clips, but thankfully my shop had some clips in their bin of random parts.



The O2s are not long enough to reach when routed correctly. You can fashion some extenders (see crfine88s thread), or you can cut into the conduit. My shop had some great cloth tape which is the factory BMW tape. You need about an additional 10cm or so of wiring to reach the cats.



And one final picture.

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Last edited by beta; 02-06-2013 at 02:04 AM..
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