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Re: 5spd auto conversion (archive)
[ Follow Ups ] [ 6-series (E24) Message Board ] [ Msg. Board FAQ ]
Posted by JT on March 19, 2000 at 09:53:24:

In Reply to: 5spd auto conversion posted by Phil on March 18, 2000 at 17:51:11:

: can I convert my 86 635csi with zf auto to a late model 5spd auto?

Interesting question --- I won't even pretend to know the answer. Two major things to consider: 1) the physical fit, and 2) the control of the tranny. Has the five speed ever been mated with a 3.5L engine? Maybe in the 7 series, I'm not sure. Later model 4 speeds are electronically controlled, rather than pneumatically. I think this changeover occurred in '85, but I'm not completely sure. I'm also thinking that the ECU would have to match the engine/transmission combo. Of course, nothing's impossible --- there are even those who have shoved american V-8's in our beloved 6'ers. But, it sounds like a fairly challenging endeavor....

---JT

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