E46Fanatics - View Single Post - Help!! Broken bolt while removing transmission
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Old 07-24-2018, 09:24 AM   #24
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Join Date: Dec 1969
Location: Montreal, Quebec, Canada
Posts: 962
My Ride: 2000 328ci --> SP
I think the dowel is needed for sure. I will need to get another one before I can even bolt anything together. Instead of the threaded rod, I wonder if it would be possible to get the broken piece welded back on and then have a longer bolt installed with a deep nut that I can get welded to the back of the old hole. The dowel would provide the stability to keep it aligned and the new bolt and nut should provide a good clamping force.

Originally Posted by Effduration View Post
I am reading another thread where a a fellow with a manual 5-series (similar engine) bolted his transmission with only one dowel present. He and others think it caused a slight mis-alignment (due to slop in bell housing bolt holes ) that caused clutch issues. You should try to find a solution that preserves the dowel in that hole.

I would try the threaded rod with the dowel in place and bolts/washers on either side.

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