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Re: '80 633 engine swap options? (archive)
[ Follow Ups ] [ 6-series (E24) Message Board ] [ Msg. Board FAQ ]
Posted by Darin on June 30, 2000 at 18:43:30:

In Reply to: Newbie question: '80 633 engine swap options? posted by Wayne on June 30, 2000 at 17:29:11:

Wayne,

You can get a 3.0 or another 3.3 but if you want the 3.5 or newer motronic 3.3 then you need the tranny as well. If you want a newer Motronic 1.1 motor you can keep the old tranny, cause it doesn't have the pluse/speed sensor in the tranny, it is located on the crank, but you need the whole engine wiring harness and ECU.

Darin


: I'm thinking of buying a 633csi that needs a new engine (original one is now gone). My question is, what direct bolt-in replacement options do I have?

: Can I put a 3.5 in it? If so, what other models/years can I look for in the junkyards (635? 535? 735? or should I just stick with a motor from a similar 633?)

: Thanks for your help,
: Wayne



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