I have a line on a 2.7L OR a 2.5L with full accessories for the same price. What would you guys do. Its going into a 85 325e so the 2.7 would be a direct swap but I heard the 2.5 makes more power. Its one or the other i cant afford both. Thanks guys....:)
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I'd stick the with the 2.7, because I'd rather not deal with swaping stuff e to i and I'd rather drive the car.'89 325i track sloot
'01 530i daily
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Well....the current motor doesnt run (bent valve and other damage) so the complete i motor would be swapped in. Not just the components. And since the engine bay would be clear I dont think a harness swap is that hard. I am a helicopter electrician....lol. I was just wondering as a performance upgrade/future F.I. (2.5-2.7 GAINS)....
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I'd go with the M20B25 over the M20B27 any day. The performance difference is quite noticeable. If you go the M20B25 route, you'll need the complete engine, harness, DME, and AFM.The car makes it possible, but the driver makes it happen.
Jim Levie, Huntsville, ALComment
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I'll let you have my 2.7 for freees if you come down and help me pull it.sigpic<< wreckedComment
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Well, in that case, go for the 2.5.Originally posted by FREE30 View PostWell....the current motor doesnt run (bent valve and other damage) so the complete i motor would be swapped in. Not just the components. And since the engine bay would be clear I dont think a harness swap is that hard. I am a helicopter electrician....lol. I was just wondering as a performance upgrade/future F.I. (2.5-2.7 GAINS)....'89 325i track sloot
'01 530i daily
-EnginerdComment
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Damn....really? I might just need a head but I would rather just swap in a new motor and rebuild it at a later date. The 2.5 with EVERYTHING is 250 bucks...lol...hmmmmmOriginally posted by Red88 View PostComment
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i would go 2.5 because it will have more power and be more fun. with the 2.5 you can also legitimately swap in a manlier tachometer...sigpic
1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]Comment
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B25 for sure. unless you buy both and make a stroker the B27 is otherwise mostly useless.1985 M10b18. 70maybewhpoffury. Over engineered S50b30 murica BBQ swap in progress.
Originally posted by DEV0 E30Comment
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Yea...the B25 it is I guess. Just need to pick it up. And who knows what the damage is on my 2.7 so I might just build that as a spare...lol. Thanks peeps.....Originally posted by Holland View Post
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Well it turns out one of the motors I was interested in WASNT an M20. It is an M50 2.5 (M50B25?) out of a 94 325is. I need this car to run soon and have no money to get any of the parts needed. But I think in the long run an M50 would be better??? Lemme know what you guys think. Oh, plus I will have the 2.7 (in the car now) to tear apart and rebuild as an extra...lol.
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The M50 would be better in the long run, due to less maintenance requirements. It's a more involved swap than the M20.Comment
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