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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > 325i to 330i conversion successful! Dyno charts included!



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      04-15-2010, 08:11 PM   #67
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Is yours a stock 330 tune (260 Hp) or is it the powerchip 275 Hp tune?
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      04-15-2010, 09:49 PM   #68
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Where can I buy a 330i 3 stage??? I've been looking everywhere!
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      04-16-2010, 12:11 AM   #69
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Quote:
Originally Posted by Aonarch View Post
Where can I buy a 330i 3 stage??? I've been looking everywhere!
Any BMW dealership. Or www.getbmwparts.com. Enter the part numbers at the beginning of this thread.
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      04-16-2010, 12:34 AM   #70
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Quote:
Originally Posted by mjfloyd1 View Post
Is yours a stock 330 tune (260 Hp) or is it the powerchip 275 Hp tune?
It's the performance tune. But they just estimate HP gains, I don't think they dyno tune all their stuff.
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      04-18-2010, 07:47 PM   #71
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Just a quick question - is the Powerchip tune you use somehow specific beacuse of the conversion or is it safe to assume that any 330i tune (from G-Power for example) will do the job?
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      04-18-2010, 08:37 PM   #72
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It should work with any tune. Just tell them exactly what your situation is. It should not be a problem.
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      04-19-2010, 01:10 AM   #73
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Nice!
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      04-19-2010, 03:23 PM   #74
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try it out
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      04-19-2010, 03:24 PM   #75
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Originally Posted by BlackBimmer1991 View Post
try it out
+1000 Would love to see this as well!
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      04-19-2010, 04:33 PM   #76
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What would this do for a 328i? I would guess the bulk of the performance difference comes from DI, but this has to be good for a little bit..
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      04-19-2010, 05:28 PM   #77
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Marcelo,

Forgot to ask how that MPG increase is doing. Still much better with the new intake manifold?
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      04-19-2010, 07:22 PM   #78
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Quote:
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Marcelo,

Forgot to ask how that MPG increase is doing. Still much better with the new intake manifold?
The onboard computer shows about 1-2mpg increase.
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Last edited by e90pilot; 04-19-2010 at 11:38 PM.
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      04-19-2010, 08:53 PM   #79
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      04-19-2010, 08:55 PM   #80
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Will do this mod on the 25i soon and compare it via dyno to the 30xi, both steptrnc
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      04-19-2010, 10:11 PM   #81
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Will do this mod on the 25i soon and compare it via dyno to the 30xi, both steptrnc
That should be a great comparison!
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      04-20-2010, 12:34 AM   #82
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searching for a 330 intake manifold as I write. any word on group pricing for the software?
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      04-20-2010, 12:59 AM   #83
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so let me get this straight: the manifold is a direct swap for 325? and should pick up about 8hp without the software and around 30hp with the 330 software?

also i wonder how the 325 stock ecu with bms pbx would hold up. i know its supposed to make your air fuel ratio a bit richer (like 330 software), could compliment the manifold really well
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      04-20-2010, 01:06 AM   #84
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btw this is exciting stuff
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      04-20-2010, 02:38 AM   #85
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Quote:
Originally Posted by sandman0615 View Post
so let me get this straight: the manifold is a direct swap for 325? and should pick up about 8hp without the software and around 30hp with the 330 software?

also i wonder how the 325 stock ecu with bms pbx would hold up. i know its supposed to make your air fuel ratio a bit richer (like 330 software), could compliment the manifold really well
if you stay stock 325 the powerbox will give you about 8 hp and 8 tq. give or take. the main thing you will notice is the increased throttle response. which, believe me, is completely worth it. plus the added hp and tq aint bad either
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      04-20-2010, 07:37 AM   #86
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Quote:
Originally Posted by sandman0615 View Post
so let me get this straight: the manifold is a direct swap for 325? and should pick up about 8hp without the software and around 30hp with the 330 software?

also i wonder how the 325 stock ecu with bms pbx would hold up. i know its supposed to make your air fuel ratio a bit richer (like 330 software), could compliment the manifold really well
I'm a little confused as well. Can the intake be done without the software? Or does this all need to be done in conjunction? It might be easier to do this in stages (or at least easier to get spousal approval).
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      04-20-2010, 08:21 AM   #87
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bump for getting my question answered: what would this do for a 328i?
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      04-20-2010, 10:37 AM   #88
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Quote:
Originally Posted by blackbeast06 View Post
searching for a 330 intake manifold as I write. any word on group pricing for the software?
many people are Interested, maybe we could get a group buy on this

+1 on the 328, if it works for the 3 shouldn't it work for the 1 as well?

Would love to turn my 1er into a 130i pocket rocket
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