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3.5 in my car... (archive)
[ Follow Ups ] [ 5-series (E12) Message Board ] [ Msg. Board FAQ ]
Posted by Karl on September 07, 2001 at 20:56:00:

In Reply to: Just bought 1980 528i and need engine help posted by Daniel on September 05, 2001 at 14:44:44:

...and it was an easy swap. I kept the old fuel injection and ignition. Doing it that way needs a cam repair nut because the later Motronic cams don't have anything to drive the distributor. Then the rest of the old distributor drive goes on.

Basically I set one engine next to the other and swapped everything that was different on the newer 3.5 -- heater hose connections and oil pump pickup tube are the wierdest ones I remember. But all the old bits bolted right up to the new engine.

Took me a week to swap it all (in my home garage with no power tools) and get the car back on the road, with 40 more HP and 50 more ft-lb torque :-)

It's been done enough that firstfives.org has a FAQ

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