If its really stripped ( and i mean bad where theres no going back) I suggest you take it to a welding shop and have them weld a bead on the inside of the plug, when it cools it will shrink the diameter of the plug and you will beable to easily remove it its an old trick i learned from my last job.

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Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac?

As long as they would add one additional commandment for you to keep thy religion to thyself.
George Carlin (Wonder where he is now..)

1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won.

pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.