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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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  #1  
Old 03-16-2013, 07:37 PM
tchavera tchavera is offline
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e36 engine trans and diff in e30?

i'm sure it's been done but any advice is helpful
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  #2  
Old 03-16-2013, 07:46 PM
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downhiller downhiller is offline
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search function. thousands of write ups from just the basic swap to full turbo builds
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Old 03-16-2013, 08:02 PM
tchavera tchavera is offline
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most threads end up with the same response lol. okay to get to exact questions. i know the engine will fit but what do i do with the wireharness and ecu. is everything a plug and play or am i looking at a lot of splicing. car is a 1986 325e and a 1998 323is. am i able to leave the 325 differential?..does it make more sense. ask my understanding the ratio is more for the 1986.

thanks guys
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Old 03-16-2013, 10:45 PM
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fcsteve fcsteve is offline
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as stated above. search. you are asking questions that have been answered literally thousands of times. the swap has been covered in detail on over a dozen different websites. if you can't find the information, you are not competent enough to do the swap.
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build: http://www.bimmerfest.com/forums/sho...d.php?t=382667
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Old 03-17-2013, 04:01 PM
tchavera tchavera is offline
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alrightttt i could agree with that. i was just looking for the easy way out. from my research the e36 diff doesn't fit and the e30 diff is a better one regardless. is this true?
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Old 03-17-2013, 06:44 PM
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downhiller downhiller is offline
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the diff vary model to model and also tranny. easiest thing to do one that will be research to see what the diff ratio is between the 2 and then determine what you want to do with the car. if you want to track it and drive around town, a higher ration will be the better bet. if your doing more highway and want to better mpgs, you want a lower ratio

also on the harness, from what ive read is there is some splicing. but i didnt get too far in since i couldnt afford it.
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