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      03-27-2020, 04:46 PM   #1
iEatSand
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135i auto to manual swap question.

I'm in the market for a parts car and one to swap my auto trans to the 6mt. My question is would the 335i trans work on a 135i? Would any of the wiring harness/driveshaft/diff work aswell? The totaled/rear ended 335i's are much cheaper and easier to come by then 1er's. Curious on someones input if they've gone through something similar and if it will all work out.

Cheers
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      03-28-2020, 03:50 AM   #2
ErvGotti
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2008 135i  [6.00]
If you use real oem. com you should be able to look up the part numbers for the bell housing to see if it matches up

https://www.realoem.com/
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      03-29-2020, 11:59 PM   #3
Jeef
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trans is same
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      04-12-2020, 12:54 AM   #4
bcarnez
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watched a video today where someone swapped a auto to a manual. said the swap was easy but the electronics were the pain.
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      06-02-2020, 11:04 PM   #5
iEatSand
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I did look into the swap. There are a few auto trans around me for $2-300. I'm going to just throw one of those in there, do the rear main along with some other maintenance items and run it. I'll probably end up getting a parts car down the road for the manual swap.

The electronics would be the most difficult part, and even then it doesn't seem to be that insane. The car never shifted right since I got it, and knew it was going to need a trans replacement down the road. I figure putting in a working auto trans would already be night and day with this car.
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