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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 05-04-2013, 10:06 PM   #1
Grease_Monkey
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Unhappy Its time. My engine is shot. Compatibility Q's

Bust out some bagpipes and play taps for me someone.. My engine is shot.
So, With the help of you guys here, I would like to see if I could get some much needed answers.
First, my ride is a stock 2000 323ci, 5spd, engine code M52tu.
1.> What other engines are compatible with my car with little to no changes(plug and play and not a complete overhaul/swap)
2.> The avarage cost of a motor swap if you have experienced one. I am guessing 800 on the low side..
3.> IF I did decide to upgrade to a different motor, ARE sedan engines, and or Vert engines compatible with my coupe?
4.> Can an engine from an Automatic Transmission Bolt up to my Manual Tansmission?

Thanks ahead for any input. I am currently shopping but I am unsure of what to do in my current situation..
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Old 05-04-2013, 10:59 PM   #2
98bimmer
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I heard 330 motors are almost plug and play, anyone want to confirm?
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Old 05-04-2013, 11:02 PM   #3
Grease_Monkey
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Originally Posted by 98bimmer View Post
I heard 330 motors are almost plug and play, anyone want to confirm?
What about the Drive by Wire and DME.... Would the Manifold from the 323 bolt to the 330? I have seen the same question asked but never caught and answer.
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Old 05-05-2013, 12:54 AM   #4
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Man.. sure is a tough crowd around here..
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Old 05-05-2013, 01:08 AM   #5
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Its not, all you have to do is search.


323/328 motors will obviously be the easiest and probably cheapest. There is no motor difference across coupe/sedan/vert.
You're going to need some coding to do the swap properly anyways, so a 325/330 M54 isn't out of the question, but like you mentioned DBW and DBC differences exist.

I'll be the guy that says S54, but that's a pipedream for most.
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Old 05-05-2013, 01:10 AM   #6
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Old 05-05-2013, 01:11 AM   #7
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The easiest route to go would be to find an engine from a 323, and put that in. No issues at all.

An engine from a 323 sedan, coupe, and vert... Are all the same. The 323 and 328 also share the same transmission.

323/328's have a throttle cable, where 325/330's have a drive by wire system. Hurdle #1.

Exhaust systems on the 323/328 vs 325/330 use different flanges through out the system, but the manifold should bolt to the engine.

1. You can swap in an engine from a 328 and still use the throttle cable.
2. You can swap in an engine/transmission/ECU from a 325 or 330, and have to switch to the drive by wire system.

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Old 05-05-2013, 01:30 AM   #8
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Originally Posted by Stiggles View Post
Its not, all you have to do is search.


323/328 motors will obviously be the easiest and probably cheapest. There is no motor difference across coupe/sedan/vert.
You're going to need some coding to do the swap properly anyways, so a 325/330 M54 isn't out of the question, but like you mentioned DBW and DBC differences exist.

I'll be the guy that says S54, but that's a pipedream for most.
Im still searching, but alot of the time fellas on here dont follow up and leave the thread hangin.. Whats the DBC? LAstly... Dont tempt me.. Theres an S54 down the road.. a rollover at the local wrecker...

Quote:
Originally Posted by RKiepper View Post
The easiest route to go would be to find an engine from a 323, and put that in. No issues at all.

An engine from a 323 sedan, coupe, and vert... Are all the same. The 323 and 328 also share the same transmission.

323/328's have a throttle cable, where 325/330's have a drive by wire system. Hurdle #1.

Exhaust systems on the 323/328 vs 325/330 use different flanges through out the system, but the manifold should bolt to the engine.

1. You can swap in an engine from a 328 and still use the throttle cable.
2. You can swap in an engine/transmission/ECU from a 325 or 330, and have to switch to the drive by wire system.
I heard the 328 had a slighty stronger tranny, thus a different one. Thanks for clearing that up.

Thanks for the input fellas. I am also considering the possibility that a head gasket may have given out on me... thus a rebuild perhaps... Uhg Dunno. It seems my car is toying with me. I cant decide on whether to Attempt to salvage the engine, take a chance on a wrecker, or attempt a recycled one... OR to upgrade.. stay the same,.... so much to consider..
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Old 05-05-2013, 01:32 AM   #9
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Lets say I found a 330i.. Automatic.. Could I gut that car of the Engine, Drive by wire, and DME and be ok? Or would the tranny have to come out with it too?
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Old 05-05-2013, 01:41 AM   #10
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Quote:
Originally Posted by Grease_Monkey View Post
Im still searching, but alot of the time fellas on here dont follow up and leave the thread hangin.. Whats the DBC? LAstly... Dont tempt me.. Theres an S54 down the road.. a rollover at the local wrecker...
What condition is the rest of the car in? Consider expensive things like the paint/bodywork/interior/drivetrain components

If its decent, I would honestly do what this guy did:
http://forum.e46fanatics.com/showthread.php?t=977520

Read through Kalim's S54 swap thread, ask questions, then hop on to bimmerforums and read about coding.
Do both of these things until your head hurts. Only then you'll be able to tell if an S54 swap is something you will realistically attempt to do.

I'll tell you right now, 95% chance what you'll end up doing is purchasing an M52 and paying a shop do install it.

Last edited by ac_2007; 05-05-2013 at 01:42 AM.
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Old 05-05-2013, 03:44 AM   #11
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Its time. My engine is shot. Compatibility Q's

What issues did you experience leading to your engine giving out? Also I would say buy a new car if your 323ci isn't worth more than a couple grand. Guaranteed engine swaps gonna cost you that much unless you can do yourself which I'm not sure of the process.


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Old 05-05-2013, 09:30 AM   #12
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What's wrong with your engine? Engine swaps are expensive not matter which one you decide to go with.
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Old 05-05-2013, 01:16 PM   #13
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Originally Posted by Stiggles View Post
What condition is the rest of the car in? Consider expensive things like the paint/bodywork/interior/drivetrain components
If your talking about the the s54 it's a rollover but from what I could tell It was in good shape. As my 323 is concerned, it's got a fresh paint job and I would like some new seats.

If its decent, I would honestly do what this guy did:
http://forum.e46fanatics.com/showthread.php?t=977520

Read through Kalim's S54 swap thread, ask questions, then hop on to bimmerforums and read about coding.
Do both of these things until your head hurts. Only then you'll be able to tell if an S54 swap is something you will realistically attempt to do.

I'll tell you right now, 95% chance what you'll end up doing is purchasing an M52 and paying a shop do install it.
I own a shop. Just not the reprogramming capabilities. I would not insider an s54 or any different motor if I didn't have the tools and shop necessary.it wouldn't be cost effective.

Quote:
Originally Posted by BBBoy323i View Post
What issues did you experience leading to your engine giving out? Also I would say buy a new car if your 323ci isn't worth more than a couple grand. Guaranteed engine swaps gonna cost you that much unless you can do yourself which I'm not sure of the process.
lost compression in 4 cylinders. I can get a 323ci engine from the recycle for $899 plug n play. I already plan on doin everything in house. I don't have the tools to program anything but the rest I can do.

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Quote:
Originally Posted by lszlszx View Post
What's wrong with your engine? Engine swaps are expensive not matter which one you decide to go with.
its not gonna be cost effective to attempt a compression fix whether it be a head gasket or rings.. Etc. all I know is 4 cylinders are low and one of them is barely pushing 70-80psi. I think it should be like 180.
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Old 05-09-2013, 12:44 AM   #14
Grease_Monkey
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$899 plus taxes for a 323 from the recycler with unknown miles.. Engine only
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Old 05-09-2013, 08:09 PM   #15
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LS1 and be done with it
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Old 05-09-2013, 08:32 PM   #16
Nico16
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Its time. My engine is shot. Compatibility Q's

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LS1 and be done with it
Agree


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Old 05-09-2013, 08:34 PM   #17
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I vote S54. Its already been proven that it can be done for not a whole lot of cash...
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Old 05-09-2013, 08:42 PM   #18
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Its time. My engine is shot. Compatibility Q's

Quote:
Originally Posted by Patton323I View Post
I vote S54. Its already been proven that it can be done for not a whole lot of cash...
I agree as well. If your going to swap engines I say go big or...buy a new car.


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Old 05-09-2013, 08:49 PM   #19
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$899 plus taxes for a 323 from the recycler with unknown miles.. Engine only
That's a good price.
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Old 05-09-2013, 09:12 PM   #20
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Its time. My engine is shot. Compatibility Q's

2jz
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