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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 05-14-2009, 02:51 AM   #41
Chris-TK
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Miles you running a single exhaust tip?
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Old 05-14-2009, 03:04 AM   #42
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Miles you running a single exhaust tip?
I haven't really decided on that part. I'm thinking of taking a bit of the 3" tubing and just polishing it inside and out to a mirror finish before welding it on the end. And I'd probably just do a straight cut at the end.
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Old 05-14-2009, 03:06 AM   #43
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If you decide to do two tips make sure you cut them so they follow the valence of the rear bumper so that the left tip is shorter than the right.
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Old 05-14-2009, 03:10 AM   #44
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If you decide to do two tips make sure you cut them so they follow the valence of the rear bumper so that the left tip is shorter than the right.
I like the function over form look, so I'm probably gonna have some straight pipe. Cheaper than tips as well.
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Old 05-14-2009, 03:26 AM   #45
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I like the function over form look, so I'm probably gonna have some straight pipe. Cheaper than tips as well.
Take out your angel eyes then.
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Old 05-14-2009, 05:42 AM   #46
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Take out your angel eyes then.
they scare off the ricer demons.
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Old 05-15-2009, 01:20 AM   #47
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they scare off the ricer demons.
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Old 05-15-2009, 01:22 AM   #48
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Finally finished the dual to 2" to single 2.xx" collector. I need to get the flanges to the collector, make sure everything fits, then do the 2" to 3" transition, and I'm set. The rest shouldn't be too hard...
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Old 05-19-2009, 10:26 PM   #49
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Post pics of the progress!
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Look at that subtle jet-black coloring. The tasteful thickness of it. Oh my God, it even has a 6mt.
S54 Valve Adjustment Spreadsheet & Info: http://dl.dropbox.com/u/28231781/S54...ent%20info.zip
S54 VANOS DIY Video: http://www.youtube.com/watch?v=9SkT2j3jsU0
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Old 05-21-2009, 03:44 AM   #50
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Ok, finally have a new computer so I can post up these new pics. Working on this exhaust has been so draining. Today I was in my welding shop from 1pm to 9pm.

Here is the collector I finished a few days ago:


Making the transition was a total pain, but came out pretty nice looking. Here is a pic during the build process, filling in a cut I made:




And the collector and transition going together. Things are looking nice:
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Old 05-21-2009, 04:04 AM   #51
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Lookin Good
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Old 05-21-2009, 07:55 AM   #52
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Nice work
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Old 05-21-2009, 10:41 AM   #53
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looks good so far! cant wait to hear it.
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Old 05-21-2009, 10:42 PM   #54
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HURRY UP! I want results.
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Old 05-22-2009, 12:27 AM   #55
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this should be amazing. can't wait for results man
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Old 05-22-2009, 01:22 AM   #56
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Ok, I got some good news, and some really bad news.

I'll start with the good news. I got a lot of work done today and the exhaust is about halfway done I would say. I also was able to test fit what I have so far on my car and the fitment was perfect. Everything tucks up inside the car like OEM, and all the angles and bends so far line up perfectly as well. There looks like there is only one point where this new exhaust is lower than the stock, and even then, only about 1/4" lower and still higher up than the jacking pads.

Tacking everything up:


And what I have so far:





And now for the bad news. Sadly, this project has gone much slower than I expected, as well as there were some delays like not getting the correct parts from HorsePowerFreaks 2 times in a row (on time my fault, one time their fault), but pretty much the school year is over so this exhaust project gets put on hold until the fall.

Unless anyone has a newer Miller TIG welder they would be willing to let me use, I just have no access to any TIG welding machine and I can't complete this project.
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Old 05-22-2009, 07:23 AM   #57
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Dude, that sucks. It's like the season finale!!!! What a cliffhanger.
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Old 05-22-2009, 07:47 AM   #58
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if we all throw in money and buy you a tig welder... you should do all of our exhausts
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Old 05-22-2009, 05:37 PM   #59
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if we all throw in money and buy you a tig welder... you should do all of our exhausts
I would be tempted to do that...

-$4600 for a Miller Dynasty 200 Complete package (The welder I use at school is around $8000 for the complete setup )
-$500 in materials for a 3" stainless exhaust

1 person: $5100.00 per exhaust
2 people: $2800.00 per exhaust
3 people: $2033.33 per exhaust
4 people: $1650.00 per exhaust
5 people: $1420.00 per exhaust
6 people: $1266.67 per exhaust
7 people: $1157.14 per exhaust
8 people: $1075.00 per exhaust

8 is probably the most I could do in a year since these things are extremely labor intensive. At 6 people the exhaust is already cheaper than a UUC TSE3 exhaust, significantly lighter, and hopefully I can get some good dyno numbers once I finish mine.

Maybe I'd add a little placard to personalize each saying something like:

No. 1 of 8
Made for Hans Stück
by Miles Kodama

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Old 05-22-2009, 05:49 PM   #60
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Haha, nice idea!
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