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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 06-30-2010, 04:27 AM   #81
mujjuman
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Nice. Didn't know they made those.
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Old 06-30-2010, 06:05 PM   #82
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So , does 323 software run the b30 ? I imagine you'd loose quite some hp due to different IGN/fuel curve.

I remember reading the MAF can adapt up to 30% in air flowrate change , which would explain why the b30 works with stock injectors (2,5+0,5/2,5= 20% increase)
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Old 06-30-2010, 06:26 PM   #83
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So , does 323 software run the b30 ? I imagine you'd loose quite some hp due to different IGN/fuel curve.

I remember reading the MAF can adapt up to 30% in air flowrate change , which would explain why the b30 works with stock injectors (2,5+0,5/2,5= 20% increase)
yeah my 330 is running on 325 software for now.
i'm trying to figure out if a shark injector for 330 would do the trick
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Old 06-30-2010, 07:25 PM   #84
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yeah my 330 is running on 325 software for now.
i'm trying to figure out if a shark injector for 330 would do the trick
What if you were to get a S/C , then you'd have the IGN/FUEL maps for a 330 with a S/C... problem fixed right ?
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Old 06-30-2010, 07:34 PM   #85
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You are right, but I dont want to go SC... at least not yet. And probably not anytime in the foreseeable future (starting med school, then 4 years of schooling, then after graduation I plan on getting rid of this car)
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Old 06-30-2010, 11:22 PM   #86
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no... you are missing suspension components, rear differential, programming, gauges, seats... and maybe other things i missed.

i did a 330 swap, does that make my car a genuine 330? its someting else if you own a genuine m3 or a genuine 330, etc.
the correct way includes all of that

m3 engine
wire harness
ews
keys
dme
cluster
tranny
driveshaft
complete subframe
dsc module
fuel pump
radiator

^ is the correct way..so yes basically an m3...plus most aftermarket suspension is better than oem m3
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Old 07-01-2010, 12:57 AM   #87
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You are right, that is the correct way. Personally I would just buy a E46 M3
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Old 07-17-2010, 03:20 PM   #88
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i am in... just need my 323 engine to die so my wife wont see this as just an upgrade.
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Old 02-05-2011, 09:00 AM   #89
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so can it be done? where is the clarification at? how much? Why is it so hard to find a write up? if some one could prove it and show facts and kits were available. these cars would value so much more if the swaps where here!
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Old 02-05-2011, 10:15 AM   #90
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Nope sorry can't be done

Just kidding. Just read the thread bro
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Old 02-05-2011, 10:40 AM   #91
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you guys should just buy the adapter plate from turner motorsports so you can run the better 330i intake manifold while still utilizing the 323i throttle body and throttle linkage
this is true.

using the 323 intake you are losing hp.
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Old 02-05-2011, 10:48 AM   #92
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this is true.

using the 323 intake you are losing hp.
yeahh thats what i figured but the DBCable to DBWire swap is tricky... no?
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Old 02-06-2011, 07:22 PM   #93
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Hi,

Any chance you could PM me some photos of the conversion?

I have a 323Ci, and would be looking at performing this swap in the future.

Was it a straight swap? Does the 3.0L motor bolt straight up to the 5speed manual gearbox in the 323Ci? So no electrical equiptment needed to be changed? (i.e. ecu etc.)

Cheers mate.
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Old 02-06-2011, 08:44 PM   #94
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Hi,

Any chance you could PM me some photos of the conversion?

I have a 323Ci, and would be looking at performing this swap in the future.

Was it a straight swap? Does the 3.0L motor bolt straight up to the 5speed manual gearbox in the 323Ci? So no electrical equiptment needed to be changed? (i.e. ecu etc.)

Cheers mate.
Everything bolts up , just have your DME updated to the latest version or the camsensors will not work.
Or you could just use your old ones...
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Old 02-06-2011, 10:00 PM   #95
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You'll lose a good amount of power using a TU manifold vs a B30 one.
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Old 02-06-2011, 11:44 PM   #96
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Bolts right up
Use Maf and injectors from 323 tho until you update your dme
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Old 02-07-2011, 01:44 AM   #97
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And then i guess if you do a 3" exhaust system with no cats, like i have on mine now, you will gain some power. Also do a CAI
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Old 11-03-2011, 11:20 PM   #98
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Originally Posted by mujjuman View Post
yeah my 330 is running on 325 software for now.
i'm trying to figure out if a shark injector for 330 would do the trick
how about MAF, injectors, and Intake? I have a blown m54b25 and would like to swap in a m54b30.

thanks
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Old 11-03-2011, 11:42 PM   #99
mujjuman
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how about MAF, injectors, and Intake? I have a blown m54b25 and would like to swap in a m54b30.

thanks
Just use the MAF and injectors from the 325 in the 330 engine.

Intake manifold stays the same.

I still didn't flash my ecu for the 330
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Old 01-28-2012, 11:24 PM   #100
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This thread should be stickied
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