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-   -   1990 325i engine swap ideas?!? (http://www.bimmerfest.com/forums/showthread.php?t=663931)

blake654 12-13-2012 04:13 PM

1990 325i engine swap ideas?!?
 
Ok heres the deal i have a 1990 325i I wanna swap a 540i m62 engine in it. Besides the engine and trans what would i absolutely need to have it drivable? What pricing without labor?
I prices engine and trans at about $1000 all together what else?:D

blake654 12-13-2012 05:11 PM

Haveing trouble finding a 2.93 diff and a e30 m3 4 bolt driveshaft

downhiller 12-13-2012 05:49 PM

youre gunna need the harness and ecu and hopefully your goin 6spd so you dont have to deal with the extra electrical

blake654 12-13-2012 06:06 PM

yea 6 speed do you know what ecu I would I need and harness would work? Also any advice?

downhiller 12-13-2012 06:08 PM

the one out of the 540. as of splicing it into the e30, that is all up to you to find out.

when i was checking out the sti swap for my forester, cobb tuning said it took 3 months for their electrical guy to get the harness wired correctly. and those are guys who deal with these cars daily.

blake654 12-13-2012 06:12 PM

O fun ha ill have to loo into it maybe someone has a kit

blake654 12-13-2012 06:28 PM

After more reading I see that you can leave the e30 wiring in you just need to get the starter working. Als remove the ews completly.

http://forums.bimmerforums.com/forum....php?t=1687161

blake654 12-13-2012 06:42 PM

Thinking of doing as a senior project for school.

Sent from my SCH-I605 using Bimmer App

Nick323 12-14-2012 01:25 AM

V8 into 325 E 30 QED
 
Quote:

I see that you can leave the e30 wiring in you just need to get the starter working
Really ?
So it is thaaaaaat easy : popcorn:
& your ECU will just pick up that it is not a 6-cylinder unit & fire it accordingly whilst metering the air over ????
Maybe i should pick up that 540 my buddy has cluttering his workshop & swop it into my 323 over the WE :bigpimp:
Idon'tThinkSo, you have been had :tsk:

blake654 12-14-2012 03:11 AM

Yea well idk ill have to do more research some people saybu have to clear the ecu which would be a mess

Sent from my SCH-I605 using Bimmer App

downhiller 12-14-2012 07:57 PM

Quote:

Originally Posted by Nick323 (Post 7249082)
Really ?
So it is thaaaaaat easy : popcorn:
& your ECU will just pick up that it is not a 6-cylinder unit & fire it accordingly whilst metering the air over ????
Maybe i should pick up that 540 my buddy has cluttering his workshop & swop it into my 323 over the WE :bigpimp:
Idon'tThinkSo, you have been had :tsk:

if you read more of the other forum they talk about using the e30 harness to controll the lights and cluster and using the 540 ecu for engine and connecting both to the x20 wire

BMWFatherFigure 12-14-2012 08:36 PM

A nice 2 year project, if you can get it to start.............. Hope you have a supply of skillful, understanding mates who don't have partners either.


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