Auto box swap ?

2003 - 2009, roadster, coupe, facelift
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Nash3vans
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Auto box swap ?

Post by Nash3vans » Sat Sep 23, 2017 7:04 pm

First off, is the e86 auto box on a 2.5 a 6 speed? Does anyone know if it would be a straight swap for a 5speed e85 box? Is there an ecu that controls it all and would that need changing also? Any info would be grateful as this may be my winter project.
2005 merlot 2.5 auto. 313s. e46 m3 front brakes. Sport seats added. :D

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Smartbear
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Auto box swap ?

Post by Smartbear » Sat Sep 23, 2017 7:26 pm

Nash3vans wrote:
Sat Sep 23, 2017 7:04 pm
First off, is the e86 auto box on a 2.5 a 6 speed? Does anyone know if it would be a straight swap for a 5speed e85 box? Is there an ecu that controls it all and would that need changing also? Any info would be grateful as this may be my winter project.
Hi, think there's a mistake somewhere as bmw never produced a 2.5 e86?
Rob
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e89 Sdrive2.0 18i which has apparently turned into a 20i :D
e89 Sdrive3.0i this ones busted, pass me another
e85 3.0si-sold my trouble free car...

RyanB88
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Auto box swap ?

Post by RyanB88 » Sat Sep 23, 2017 7:32 pm

I assume he means th e85. My question is why would you want to go from 6 speed to 5? I can understand the other way but not that way?
3.0si (N52) convertible, well specced plus DLV exhaust, AFE airbox, zhp gearknob, 224 wheels with MPSS, stubby, LEDs and a few other bits :) :driving:

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Wondermike
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Auto box swap ?

Post by Wondermike » Sat Sep 23, 2017 8:00 pm

Think he means changing from a pre-facelift 5 speed to a facelift 6 speed.

Nash3vans
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Auto box swap ?

Post by Nash3vans » Sat Sep 23, 2017 9:47 pm

Yeh sorry guys, I want to put a facelift gearbox (6speed) into my pre facelift e85 (5speed) Thought the facelifts were called e86? My bad.
2005 merlot 2.5 auto. 313s. e46 m3 front brakes. Sport seats added. :D

MACK
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Auto box swap ?

Post by MACK » Sun Sep 24, 2017 8:50 am

It's much more involved than simply switching the box. Electronics, torque converter, rear diff are all different between the cars and you would need to check the bolt pattern of the boxes are the same etc.

All in all its far easier and cheaper to sell and buy a post facelift car.
05 3.0i SE in Titanium.
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