chance to buy 94 325i

ok folks, i have a chance to buy a 1994 325i. it is in need of a motor (old motor is out of car). body of the car is in great shape other than a small
spot of rust starting to bubble. interior is in great shape. i can pick it up for $400. anyone know how hard of a job it would be putting a different used motor in it? how much am i going to be spending on a used engine (seen them on ebay from $600-$2400)? is the car worth $400 the way it sits? any online diagrams of engine removal/replacement?
sorry for all the dumb questions...........im a honda guy.
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There probably are online diagrams; most car manuals that you can buy at Schucks/Pep Boys/etc have them, too.
$400 sounds right *IF* the electronics are ok, *IF* the suspension is in good shape, and *IF* the rust is only superficial. You also don't want to put an engine too different from the previous one as the electronics/engine controls are matched to the engine.

Your questions show you aren't dumb, just inexperienced. You need the help of someone experienced to do an engine replacement if you are planning to do it yourself; it's not a job for a tyro, although arguably it's easier to do for BMW than Honda. Be sure to replace the clutch, clutch plate and throw-out bearing if it's a manual, and the guibo in any case.
FloydR
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wrote:

You don't mention where the rust is...
The only real rust trap on the E36 is the rear wheel arches, and be warned, it's usually worse than it looks. It's a double skin and traps dirt. The rust usually starts on the inside and works it's way through the inner skin. Then the damp can works it's way between the skins and eventually starts to bubble through from the inside of the outer panel. You see a small bubble, but believe me, there's 10 times that hiding under the paint!
Only other place I've seen rust is the lower boot/trunk lid corners (no problem, it's a panel, get a new one) and around the lower boot lip edge on the main body of the car where the rubber can sometimes trap moisture, again not too much trouble as it's not a visible area and you can do a good repair without having to worry too much about the appearance, what isn't covered by the rubber or light unit is hidden by the boot lid when it's shut.
Dodgy.
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