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Old Sat, Mar-31-2012, 06:18:36 PM   #41
nickpiper12
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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This

I've also started recommending the AKG RTABs. I recently installed a set; they're good stuff.

Nice car OP! I like the mods. I might be talking out of my ass but I feel like there's a little renaissance of the E46 M3 modding scene lately, with owners doing quality and purposeful mods (and maintenance). Either way, good stuff!
Thanks! I plan on trying a set of the AKG RTAB's. Have you heard anything on their FCAB's? Not sure if to go with those or OEM. And yea it does seem a lot of E46 owners are doing a lot of nice things to their cars lately. I've been wanting to do this for a while with parts piling up over winter. I have a lot more to come just have to figure it all out. I saw you have your oem e9x 18's for sale. I really want the newer silver finish rather then gunmetal but what is your best price without tires?
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Old Sat, Mar-31-2012, 09:41:09 PM   #42
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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Thanks! I plan on trying a set of the AKG RTAB's. Have you heard anything on their FCAB's? Not sure if to go with those or OEM. And yea it does seem a lot of E46 owners are doing a lot of nice things to their cars lately. I've been wanting to do this for a while with parts piling up over winter. I have a lot more to come just have to figure it all out. I saw you have your oem e9x 18's for sale. I really want the newer silver finish rather then gunmetal but what is your best price without tires?
I'm not familiar with AKG's FCABs, sorry! I've only seen the powerflex and UUC FCABs and wouldn't recommend either of them. The PF crack and the UUC clunk- not nice for DD. So I usually recommend OEM Lemforder FCABs. As for my OEM 18s they're sold :X Looking forward to see what else you have in store
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Old Sat, Mar-31-2012, 09:49:02 PM   #43
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Default Re: Piper's 2003.5 Alpine White M3 Journal

What's up Alpine White boys

Nick, I still think you should go with OEM since they're pretty cheap compared to everything else and has a pretty long life span. I think they're like $26 compared to the AKG 90A FCAB which are $80.

Either way though, you really can't go wrong. I just think that small amount saved going with OEM could be used elsewhere.

When do you plan on going back to flash the car? If I'm free I'd love to join you!
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Old Sat, Mar-31-2012, 10:12:03 PM   #44
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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I'm not familiar with AKG's FCABs, sorry! I've only seen the powerflex and UUC FCABs and wouldn't recommend either of them. The PF crack and the UUC clunk- not nice for DD. So I usually recommend OEM Lemforder FCABs. As for my OEM 18s they're sold :X Looking forward to see what else you have in store
Yea I'll probably go with OEM FCAB's to retain some comfort on the street as I'm not quite ready or even eligible for tracking events yet. There all 18+ as far as age for the events, so another 6 months which won't leave me much time for this year, so I guess next year Can't believe your wheels are sold, they were for sale forever. Then as soon as I have the money someone else buys them, go figure. There impossible to find in good shape.
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Old Sat, Mar-31-2012, 10:46:32 PM   #45
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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What's up Alpine White boys

Nick, I still think you should go with OEM since they're pretty cheap compared to everything else and has a pretty long life span. I think they're like $26 compared to the AKG 90A FCAB which are $80.

Either way though, you really can't go wrong. I just think that small amount saved going with OEM could be used elsewhere.

When do you plan on going back to flash the car? If I'm free I'd love to join you!
Alex, your probably right. The OEM will get the job done. And I'm not sure when I'm going back, they said a week and a half - two weeks until everything is done. Then I'll go there have a pre-tune dyno done and then flash the tune on and have a dyno for everything. I'm kind of mad that I won't have a hood for the baseline dyno. Should I leave it off for the other dynos so I can see more accurate gains?
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Old Sun, Apr-01-2012, 12:45:56 AM   #46
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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Alex, your probably right. The OEM will get the job done. And I'm not sure when I'm going back, they said a week and a half - two weeks until everything is done. Then I'll go there have a pre-tune dyno done and then flash the tune on and have a dyno for everything. I'm kind of mad that I won't have a hood for the baseline dyno. Should I leave it off for the other dynos so I can see more accurate gains?
Just leave the hood open for the other dyno's. You should do that anyway.

Are you doing a single exhaust back from SSv1? You will be making 330whp I bet (at least).
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Old Sun, Apr-01-2012, 01:23:17 AM   #47
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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Just leave the hood open for the other dyno's. You should do that anyway.

Are you doing a single exhaust back from SSv1? You will be making 330whp I bet (at least).
Thanks! And yea SSV1 -> 3" catless single pipe with 2 resonates and an evc -> OEM muffler with custom tips. I want to dyno both with the valve open and closed. I think I'm putting the cutout between the resonators or after both, have to hear it first. OEM muffler will for sure restrict some power then the valve is closed. The Dinan intake and Evolve tune should add a good amount too. And the 4.10's will be sweet, but obviously they don't make any power.
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Old Sun, Apr-01-2012, 01:37:07 AM   #48
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Default Re: Piper's 2003.5 Alpine White M3 Journal

Yup you will enjoy those.

Actually the gears will give you slightly less hp at the wheels (pretty negligible)
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Old Sun, Apr-01-2012, 01:38:48 AM   #49
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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Yup you will enjoy those.

Actually the gears will give you slightly less hp at the wheels (pretty negligible)
because the loss of traction?
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Old Sun, Apr-01-2012, 06:15:03 AM   #50
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Default Re: Piper's 2003.5 Alpine White M3 Journal

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because the loss of traction?

Nope because damping losses and inertia are increased by a factor of N^2 (N is gear ratio). This is pretty much irrelevant to people like us, but still interesting.

Equation of motion for motor and gear box (notice the Inertia of the output shaft and damping coefficient of output shaft are multiplied by N^2):




Sorry if that is too nerdy

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Discussing Piper's 2003.5 Alpine White M3 Journal in the Member Journals Forum - Do you have a long term project you would like to share with the community? Use this forum to create a single thread which you can update over time to document the progress. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)