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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 07-19-2010, 02:52 PM   #21
Iceman00
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I have a custom one I built as a prototype long before I knew there was a long to option available, it's not mandrel bent, and it is made to fit my Z. If I can dig it up, I'll send it your way for sure (it might be a bit dusty though) I'd recommend trying to run that filter and velocity stack on it, if possible. Interested still?
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Old 07-19-2010, 02:53 PM   #22
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FYI, I'd also like to add that your numbers reflect those of Adam's when he had the shorty type Confronti Intake (220lb-ft)
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Old 07-19-2010, 02:58 PM   #23
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Quote:
Originally Posted by Iceman00 View Post
I have a custom one I built as a prototype long before I knew there was a long to option available, it's not mandrel bent, and it is made to fit my Z. If I can dig it up, I'll send it your way for sure (it might be a bit dusty though) I'd recommend trying to run that filter and velocity stack on it, if possible. Interested still?
3.5 inch piping?

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FYI, I'd also like to add that your numbers reflect those of Adam's when he had the shorty type Confronti Intake (220lb-ft)
Yep. After discussing it with him, I decided I'd go ahead and do a cone. He said he saw differences in the A/F when he added the Conforti.
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Old 07-19-2010, 03:22 PM   #24
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Ahh, You have the B30 with larger inlet piping. Sorry, it's just 3 inches.
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Old 07-19-2010, 03:31 PM   #25
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No worries. Thanks for the offer, though. Keep your fingers crossed on the exhaust.

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Ahh, You have the B30 with larger inlet piping. Sorry, it's just 3 inches.
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Old 07-19-2010, 08:13 PM   #26
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would an M3 airbox + piping fit in a regular 330i ?
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Old 07-19-2010, 09:09 PM   #27
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Short answer is no.

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would an M3 airbox + piping fit in a regular 330i ?
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Old 07-26-2010, 04:53 PM   #28
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Here's my dyno.

File names are confusing, sorry. Blue is back in January. Conditions were 72 degrees, green was last weekend with 99 degrees.

You can see that I picked up a little bit everywhere. REALLY need to get some tuning done to knock out that big dip at 4200.

Only changes were the intake that I pictured above and an oil change. I also reset my throttle adaptations, but I do that every time I dyno.

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Old 07-26-2010, 06:17 PM   #29
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You can see that I picked up a little bit everywhere. REALLY need to get some tuning done to knock out that big dip at 4200.
didn't I hear that dip was from the DISA aka idle control valve flap action? If you haven't yet you could try unplugging it during a dyno run and see if things smooth out.
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Old 07-26-2010, 07:27 PM   #30
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Well, I've been told that it helps a lot with low end torque. I think it can be tuned out.

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didn't I hear that dip was from the DISA aka idle control valve flap action? If you haven't yet you could try unplugging it during a dyno run and see if things smooth out.
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Old 07-26-2010, 08:24 PM   #31
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Do you mind telling us where you got the velocity stack? I really like that intake setup and think I will do that to my car. Right now I have no heat sheild and I am sure that's hurting power, I'm also not using a velocity stack and think that would help.
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Old 07-26-2010, 08:27 PM   #32
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It's a BLOX stack and filter. I think I got the stack and filter on Ebay. Bought the 3.5 to 4 inch elbow at siliconeintakes.com. I'll probably eventually buy a different filter (slightly shorter), but it was cheap and I just wanted to make sure it would work. AFE makes one that's slightly smaller, but it's fairly expensive.

Check out Vibrant for parts, too. They make a nice aluminum stack.

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Do you mind telling us where you got the velocity stack? I really like that intake setup and think I will do that to my car. Right now I have no heat sheild and I am sure that's hurting power, I'm also not using a velocity stack and think that would help.
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Old 07-26-2010, 10:02 PM   #33
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so why didn't you just get a 3.5" stack?
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Old 07-26-2010, 10:02 PM   #34
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I seriously suggest a longer tube for your intake. Not because of the cold air, but because of air turbulence and resonance tuning. Check my sig.
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Old 07-26-2010, 10:17 PM   #35
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I did have the thought of a 90 bend right before the maf... on my other car the intake is long and in the fender but it gets very dirty very quickly, which i don't like, however I suppose if there is that much of a difference...

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Old 07-26-2010, 10:30 PM   #36
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I did have the thought of a 90 bend right before the maf...
And that would be asking for flow separation right in front of the MAF sensor leading to inaccurate readings.
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Old 07-26-2010, 10:59 PM   #37
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I seriously suggest a longer tube for your intake. Not because of the cold air, but because of air turbulence and resonance tuning. Check my sig.
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Old 07-27-2010, 12:34 AM   #38
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You're a fucking tool. Argue that.
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Old 07-27-2010, 07:42 AM   #39
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didn't I hear that dip was from the DISA aka idle control valve flap action? If you haven't yet you could try unplugging it during a dyno run and see if things smooth out.
Oh...it flattens things out alright, just not in a good way.

Disa=resonance flap
Iacv=idle air control valve

*sent from my iTool
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Old 07-27-2010, 09:07 AM   #40
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4 inch was really easy to find at the time, and fairly cheap.

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so why didn't you just get a 3.5" stack?
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