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View Full Version : Friend has an E31.. but its not all good


M3wannabe
12-17-2006, 08:44 AM
Hey there

A friend of mine just inherited a 1979 orange E21 320i....

It was a very clean, reliable, well maintained car owned by his Grandfather.... but his uncle decided to use the car for a while and has basically driven the car to the ground. As far as we can tell, it never had an oil change for the whole time it was with his uncle (over a year or 2) and driven quite poorly aswell. When the car stopped running, my mate's uncle contacted him to say he could have it. (gee thanks)

Well, after taking the car from his uncle (via a tow truck) and trying unsuccessfully to start the car, he decided to drain the oil and put some new stuff in.

The oil that came out was very liquid-like - it basically smelled like fuel.

The engine is pretty much siezed. The starter motor engages, but cant turn the engine. You cant push the car when it is in 4th gear because the siezed engine makes it feel like the hand brake is on.

We've sprayed some WD40 lube down the cylinders overnight but it didnt help.

Does anybody know of a way to unlock this engine... other than a full rebuild? Or know of an online manual I can access? My mate has given up on it and wants to sell the whole thing as parts...... which is a real shame because the body is in good condition.

I was thinking of using a socket and long bar on the crankshaft pulley nut to try to turn it over.... but I have a feeling this might do more bad than good.

I dont like seeing cars like this scrapped. It just needs the engine fixed, a nice set of wheels and a polish.

Could be just another sad story i'm afraid......

325ic a beer
12-17-2006, 09:47 AM
Hey there


It just needs the engine fixed, a nice set of wheels and a polish.

Could be just another sad story i'm afraid......


Just rebuild the sweetheart of an engine and be proud that you did.
Its no big deal.
Just take it apart and see whats up with it and have at it.
Don't be afraid or intimidated!
Plus the car didn't cost you anything!!!
Have a great time learning BASIC car mechanics.
It's FUN and then you can really say you know something about an E21 engine...
Congratulations!
Now get to it!

DominguesE30
12-18-2006, 03:04 AM
hey m3wannabe, what ever happened to ozbmw? it doesnt work...

laguna30
12-20-2007, 03:56 PM
You mean your friend has an E21.....
I thought the "uncle" trashed an E31

Was going to round up a posse-

Try automatic transmission fluid in the cylinders ( 60 ml / 2 oz )
let it sit for a day or more - then use the crank hub to work it free

if that doesn't work - I would remove the head
At this point if you don't find whats wrong - it's rebuild time

Enjoy !
340,000miles 80 320is