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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 12-23-2011, 11:38 PM   #41
Iceman00
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"Thank you for contacting us! Due to an influx of overwhelming demand we have started the development of the 2.5/2.8 boots. We are expecting the release sometime in the first quarter of next year. If you have a number of folks interested, we could arrange a group buy where as those on the list will be the first to receive the kits.


Sincerely,

Stett Performance"

I'll see for myself soon enough.
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Old 12-24-2011, 08:53 AM   #42
murph1379
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Rob - I seem to recall PEI330ci stating that head flow was a major barrier in the M54, are you doing something to address that?
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Old 12-24-2011, 12:15 PM   #43
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Originally Posted by ///M=Power View Post
so just intake boots will give you a couple hp? should have went with aftermarket when i replaced mine...
I doubt it, the gain he posted is well within the margin of error for a dyno.
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Old 12-24-2011, 12:27 PM   #44
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Quote:
Originally Posted by murph1379 View Post
Rob - I seem to recall PEI330ci stating that head flow was a major barrier in the M54, are you doing something to address that?

YES IT IS / YES I AM !


My cylinder head is being fully ported as we speak.

1) Full Port Job
2) Race Valve Job
3) Resurface Head
4) Port Match Intake & Exhaust
5) Cams: 264/252
6) 9000 RPM Springs w/ Titanium Retainers (Safety Margin)


Merry Christmas.
__________________



Rob #43 ITS/ITR/STU, BMW 325I, STU LAP RECORD
SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics http://www.vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!

Last edited by Rob43; 12-24-2011 at 03:24 PM.
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Old 12-24-2011, 12:39 PM   #45
Iceman00
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Quote:
Originally Posted by Rob43 View Post
YES IT IS / YES I AM !


My cylinder head is being fully ported as we speak.

1) Full Port Job
2) Race Valve Job
3) Resurface Head
4) Port Match Intake & Exhaust
5) Cams: 264/252



Merry Christmas.
I can't wait till it's my turn! Good luck buddy, I want to see what comes out of this!
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Old 12-24-2011, 04:07 PM   #46
Rob43
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I'm upping the ante on my build, just ordered this as my Christmas gift.
This Twin Clutch will hold 640 WTQ, not crank. This will far exceed any any torque figure I can throw at this new build, including direct port nitrous.


"Dear Robert,

Thank you for shopping at UUC Motorwerks! This message confirms your order, number 15xxxx. Please use this number in all correspondence regarding this order. You can check your order status at any time by visiting your order status page.

PLEASE DO NOT RESPOND TO THIS E-MAIL.

ORDER CHANGES MUST BE MADE WITH A UUC REPRESENTATIVE BY TELEPHONE - MESSAGES OR E-MAIL CHANGES WILL NOT BE ACCEPTED.

Invoice
Product SKU Qty Unit Price Ext Price
Twin Disk Flywheel/Clutch package<br>for E46 3-series 5-speed models Twin Disk Flywheel/Clutch package
for E46 3-series 5-speed models
OPTIONS: Twin Organic
UUC-TD-B1-E46-5-PO 1
Ship To: Robert
XXXXXXXXXXXXXX
XXXXXXXXXXXXXX
XXXXXXXXXXXXXX
Ship Via: UPS Ground"



I hope everyone's Christmas is a great one !
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SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics http://www.vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 12-24-2011, 04:42 PM   #47
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^ Excited ROB!
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Old 12-27-2011, 04:02 PM   #48
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Merry Christmas.
Merry Christmas, indeed!

Hope it works well for ya, what series is all that legal in?
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Old 12-27-2011, 05:28 PM   #49
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Merry Christmas, indeed!

Hope it works well for ya, what series is all that legal in?


At first I was confused about the "what series" question, all of this is for my semi daily driven 330Ci street car.




Happy New Year !
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SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics http://www.vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 12-27-2011, 05:31 PM   #50
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Originally Posted by Rob43 View Post
At first I was confused about the "what series" question, all of this is for my semi daily driven 330Ci street car.
Whoa, seems a little over the top for a street car!
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Old 12-27-2011, 05:37 PM   #51
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Originally Posted by Rob43 View Post
YES IT IS / YES I AM !


My cylinder head is being fully ported as we speak.

1) Full Port Job
2) Race Valve Job
3) Resurface Head
4) Port Match Intake & Exhaust
5) Cams: 264/252
6) 9000 RPM Springs w/ Titanium Retainers (Safety Margin)


Merry Christmas.
Looking forward to your results Don't forget to grab a new set of OEM cam lifters
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Old 12-27-2011, 08:26 PM   #52
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Nonsense!

Quote:
Originally Posted by murph1379 View Post
Whoa, seems a little over the top for a street car!
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Old 12-31-2011, 03:54 PM   #53
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So what is everyone weighing in at? I'm 27xx without me in it.
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Old 12-31-2011, 05:29 PM   #54
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So what is everyone weighing in at? I'm 27xx without me in it.
A very fat 3160 with out a driver and 1/4 tank of gas
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Old 12-31-2011, 08:09 PM   #55
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Originally Posted by ///M=Power View Post
Lol my 323i made 200whp 197 torque with dinan cf tube cai, ebay headers, schrick 248/248 cams, 3" midpipe with no 2nd resonator, and a custom dyno tune...my 323i was a factory freak to begin with but i was surprised when it even put down these numbers when it got tuned...wish i had a 3.0 liter
...and this is why dynos are only useful in comparison to other cars on the same dyno.

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So what is everyone weighing in at? I'm 27xx without me in it.
Is your car fully stripped or something.
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Old 12-31-2011, 10:49 PM   #56
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Is your car fully stripped or something.
Not even close to being fullly stripped.

I got down into the 26XXs with my street car...and that was before tearing the car fully apart.

Motorsport Chassis were in the 22XX area when fully race prep'd without driver.
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Old 01-01-2012, 08:43 AM   #57
xixixi
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Is your car fully stripped or something.
Nope, lots that can still be taken out.

Quote:
Originally Posted by PEI330Ci View Post
Not even close to being fullly stripped.

I got down into the 26XXs with my street car...and that was before tearing the car fully apart.

Motorsport Chassis were in the 22XX area when fully race prep'd without driver.
I bet a 22xx e46 is a fun car to drive..
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Old 01-01-2012, 10:57 AM   #58
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Nope, lots that can still be taken out.



I bet a 22xx e46 is a fun car to drive..
Well, do tell. What have you taken out.

And PEI, what is your definition of tearing it apart? I thinks we might be on different wavelengths in that department.
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Old 01-03-2012, 05:36 PM   #59
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Rob,

I guess I was asking more about how the DME/ECU deals with higher rate injectors. Most bolt-on mods (intake, header, exhaust, intake boot) increase airflow and as more air goes by the MAF, the DME opens the injectors for longer pulses. (The DME can also adjust valve and spark timing of course.)

With higher-flow injectors, if the DME mostly listens to the MAF, you'll be running rich. If the DME mostly listens to the O2 sensors, then I think it will work once the engine is warmed up, unless the Shark/DME map just cannot comprehend the MAF reading. I don't know how the DME balances the MAF and O2 sensor readings. But I guess you can just try it and let us know what happens!

Quote:
Originally Posted by Rob43 View Post
Honestly, "tuning" (ECU) is out of my current ability. I recently bought a well known tuning book, but haven't read much of it. This is why you won't find any posts on that subject, except for my knowledge of the Shark Injector.

So the answer is I don't know if these injectors will work with my current setup, I do know all the calculations say my stock injectors won't cut it. I will be installing an adjustable fuel pressure regulator to try a little manual fuel tuning. So I guess I'll find out soon enough, If I can't get things dialed in I'm off for a true dyno/custom tune. So one way or another it's getting dialed in, I'm in to deep to stop.


Merry Christmas,
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Old 01-03-2012, 08:34 PM   #60
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Rob,

I guess I was asking more about how the DME/ECU deals with higher rate injectors............... But I guess you can just try it and let us know what happens!
Quote:
Originally Posted by Rob43 View Post
.........................
So the answer is I don't know if these injectors will work with my current setup, I do know all the calculations say my stock injectors won't cut it. I will be installing an adjustable fuel pressure regulator to try a little manual fuel tuning. So I guess I'll find out soon enough, If I can't get things dialed in I'm off for a true dyno/custom tune. So one way or another it's getting dialed in, I'm in to deep to stop.

Currently I have a good deal of faith in two things, 1) My motor really will need more fuel. 2) The ability to dial down fuel pressure (if needed) manually, via an adjustable fuel pressure regulator.

Lets talk some very simple math.
Stock 24lbs fuel injectors are only good to a certain point beyond stock HP figures. 30lbs injectors have 25% more flow rate. Someone please chime in with that percentage figure(Adam), I can't remember the number. My 330Ci bone stock gave a baseline dyno of 165whp on a DynoDynamics dyno. With all my current mods my Bimmer made 200whp, that's a 21.25% increase over stock. With all the new mods, mostly head & cams, I expect to make 20% to 25% more power for a total of 240 to 250 WHP. Dynoject equivalent of up to 283 WHP. So potentially a 41.25% to 46.25% over stock power output, thus the need for the 30lbs injectors.

1) 165whp x 21.25%= 200whp
2) 200whp x 20%= 240whp
3) 200whp x 25%= 250whp
4) 250whp x 13%= 283whp (Dynojet Conversion Estimate)

I'm really hoping, crossing fingers and or praying that I don't need a custom tune.


Rob
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SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics http://www.vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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