86 2.7 swap into a 89 2.5 - Bimmerfest - BMW Forums



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E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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Old 08-25-2009, 11:49 AM
eddiej89 eddiej89 is offline
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Location: Newnan, Ga.
 
Join Date: Aug 2008
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Mein Auto: 1989 325IC Convertible
86 2.7 swap into a 89 2.5

My 1989 325 I engine bit the dust and I have a 1986 325 E engine that I bought in a parts car.

I've tried to find info about the swap but I keep running into info about building stroker motors and most posts are about swapping the I head onto an E block.

Is the swap of the E motor to an I car pretty straight forward or do I need to swap out the head and intake off of my existing I motor to the E block to use my existing wiring harness and computer?

Will the 5 speed trans hook up to the E block with no problems? The E car is an automatic and my I car is a 5 speed, will the I flywheel bolt up to the E block?

Are the motor mounts the same in the 86 E and 89 I cars?

Thanks for any help you can give me
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Old 08-25-2009, 12:44 PM
anstead610 anstead610 is offline
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Location: Bethlehem, PA
 
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Mein Auto: 24v e30 -88 toyota pickup
Quote:
Originally Posted by eddiej89 View Post
My 1989 325 I engine bit the dust and I have a 1986 325 E engine that I bought in a parts car.

I've tried to find info about the swap but I keep running into info about building stroker motors and most posts are about swapping the I head onto an E block.

Is the swap of the E motor to an I car pretty straight forward or do I need to swap out the head and intake off of my existing I motor to the E block to use my existing wiring harness and computer?

Will the 5 speed trans hook up to the E block with no problems? The E car is an automatic and my I car is a 5 speed, will the I flywheel bolt up to the E block?

Are the motor mounts the same in the 86 E and 89 I cars?

Thanks for any help you can give me
yes the motor mounts are the same. its the exact same motor except different pistons and .2 L (and possibly more engine internal sh*t).
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