I had really bad luck trying to get mine rebuilt - sent two units for rebuild (my original and a junk yard unit) and neither worked - the original wouldn't communicate after they worked on it and the second I sent in wouldn't code to my car. Since each iteration cost me $100 to try and code it at the Indy shop (plus the rebuild fee, shipping, and about 10 days turn around time), I finally gave up and got the new Bosch unit. It's a trade off, Maybe #3 would have worked...

I still have the rebuilt unit that my Indy couldn't get to code to my car...

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David.X5
2001 X5 4.4i Sport
SOLD! at 160k miles