Engine swap e30 320 to 325 - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 10-03-2010, 12:58 PM
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Engine swap e30 320 to 325

Hello from Denmark i need help to get my project started so can i fit an 325 engine in the 320 without rebuilding and witch engines would you recommend for me im not sure if i should get a m30 or an m50 motor. Hope you can help me.
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#2 (permalink) Old 10-03-2010, 03:07 PM
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hello,

Just got a few minutes so i'll try to do what i can.

you can put an m50 in with a little work, mostly wiring and some engine management, plus a couple brackets.

Why not just drop another m20b25 in and pop a turbo or a supercharger on?

R.I.P fast 6


Two wheels or Four, I'm happy as long as the throttle is pinned.
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#3 (permalink) Old 10-03-2010, 04:45 PM
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okay thanks for the answer so i dont have to replace the wiring with an m20?
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#4 (permalink) Old 10-03-2010, 06:03 PM
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no most of the time all it takes is getting a wiring harness from an m50. it should splice directly through the main harness connection and then you can build your management system from there. Just remember your grounds. Try to maintain the same number of grounds that are on the m50 in order to keep from under-grounding the electrical system.

R.I.P fast 6


Two wheels or Four, I'm happy as long as the throttle is pinned.
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