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Old 11-13-2016, 03:13 PM   #1
E30_Evan's Avatar
Join Date: Mar 2016
Location: Pennsylvania
Posts: 5
E28 528e M30 swap question

Hello all,
I'm on the verge of buying an '88 528e. I was looking for a 535i, but the 528e presented itself and it is pretty much too clean to pass up. Will an M30b34/M30b35 bolt up to the transmission? How simple is the swap? Would it be cheaper to just find an "i" head and just run with the m20b27? Any help would be greatly appreciated!!
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Old 11-13-2016, 03:25 PM   #2
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Join Date: Mar 2013
Location: Hotlanta
Posts: 59
No, the transmission won't bolt up. Will need the M30 trans and possibly driveshaft depending on the year, the swap will be pretty in depth. Exhaust will have to be changed, mounts, some wiring if I remember correctly, radiator, and some other misc things. The i head swap would be a ton easier.

1983 528e, 200k mile club, BBS Mahles.
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Old 11-16-2016, 09:39 AM   #3
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Location: Portland, OR
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..and if you do a cam upgrade on the head before installing, you'll have a healthy combo.
1984 Alpina B6 2.8 #35 - (COMING SOON to a meet near you.)
1985 PRO3 #50 - converting to ST
1991 empty shell - New PRO3 build
2004 X3 2.5 - "Bento"
2010 Audi A3 - wife's other German car

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