I found a M3 Motor for my 325i!! - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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#1 (permalink) Old 07-16-2004, 05:18 PM
What? No Autobahn?
 
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I found a 98 m3 motor with only 45k miles on it... the place wants 1800 for it so I'm not going to tell people where... I have a question though... will I need to change my computer or anything in order to make this swap? don't say go to bavengine or whatever because they never respond... I already have a m3 diff, tranny, clutch... I know I'll need new mounts, but will I need anything else?

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#2 (permalink) Old 07-16-2004, 05:33 PM
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Yes you will need to replace your DME and harness.

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#3 (permalink) Old 07-16-2004, 05:35 PM
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is the 45000 on a rebuild or not, thats sooo cheap nice find! as for the cumputer i htink you will need a new one but wait to hear from someone that know sfor sure

David
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#4 (permalink) Old 07-16-2004, 05:48 PM
What? No Autobahn?
 
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shit... don't want to replace my dme or anything like that... what if I got a m3 engine from the same year as my car or lower? then would I have to change it

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#5 (permalink) Old 07-16-2004, 05:51 PM
What? No Autobahn?
 
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Also it's not on a rebuild engine... it's original miles. reason for so low, the backend was damaged in a wreck. the guy is just parting it, he turned it on and revved it for me over the phone lol..

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#6 (permalink) Old 07-16-2004, 06:05 PM
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each motor is very different electronicly so yes you would have th chang the ecu and harness the 325 ecu is designed to deliver fuel to a 2.5 lt motor so i would not no what to do and i imagine the ignition systems are very differnt also
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#7 (permalink) Old 07-16-2004, 06:28 PM
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Yup, like i said, and t0pk0w discussed, ya gotta replace it. The values for the motronic, fuel curve, etc. are different. ///M3 engine swaps aren't easy or cheap.

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#8 (permalink) Old 07-16-2004, 06:36 PM
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Don't replace the DME go straight for the ODBI conversion...

2008 128i Jetblack
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#9 (permalink) Old 07-16-2004, 06:39 PM
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But getting a working engine for that price definitelly helps!!

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#10 (permalink) Old 07-16-2004, 06:41 PM
What? No Autobahn?
 
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my car is already odb1? :P

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#11 (permalink) Old 07-16-2004, 06:48 PM
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but not the m3 engine.

2008 128i Jetblack
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#12 (permalink) Old 07-16-2004, 07:51 PM
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You may also have to change you central locking system (about $450) I had to do it on my m42 to m50 (M3) conversion, but it may be different for a M50 (328) to M50 (M3) conversion.
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#13 (permalink) Old 07-17-2004, 03:44 AM
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d3ity will become famous soon enough d3ity will become famous soon enough
btw jrhalie...NICE CAR.

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#14 (permalink) Old 07-17-2004, 04:04 AM
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yeah dont worry about having to buy a new ecu since that engine should go for about 4-6 grand buying an ecu wont kill you haha

DAvid
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#15 (permalink) Old 07-17-2004, 04:50 AM
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you could always buy it and resell it..-

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