Need driveshaft for 5 speed conversion - '73 3.0CS

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Converting from 4 speed to 5 speed. In need of driveshaft. I'm going to copy what I believe I need based on information I received from a source in Finland.

"Shortened front driveshaft (shortened 85mm in my case with 35mm M5 guibo and the shortest Getrag 265 output flange)"

Also posted in Parts For Sale and Wanted
 
This is where the FAQ is your friend. There is a section on driveshafts in the top sources thread You probably want to look at driveshaft pro.
 
Jim, I used Driveshaft Pro and am in PA, their service was fast, even with shipping coast to coast, and the product fit perfectly.
 
Driveshaft Pro was a godsend from Paul Cain.
Previously I was paying the same amount plus 2 trips for drop off and pickup from a local company and they were terrible rebuilds.
 
When I had Driveshaft Pro do it I literally asked for "the Don" and they knew what I needed. Came fast and worked perfectly.
 
The only trick is which output flange you have as Don says there are three. I used them and had to use the big Guibo Don doesn’t like instead of the M5 one but I had both just in case.
 
I just bought a driveshaft from them for my 535is 5 speed conversion. Arrived quickly and is very nicely done. As Don notes, don't bother trying to get one modified, just buy a new one.
 
I took out the AT in my '73 and installed a 4-speed using a 4-speed E3 dshaft I got from a junkyard. Later the 4-speed came out in favor of a 5-speed, using the original AT dshaft which is only about 3/4" different from that specified for the 5-speed. I followed instructions written for an E3 by Carl Nelson of La Jolla Independent BMW. Years later I ran into him and asked about the 3/4", he said ignore it. Seems to me that anyone else could do the same, AT driveshafts ought not to be uncommon in junkpiles. Warning: I am said (by my wife, paraphrasing) to have deep pockets but short arms.
 
Honolulu said:
I took out the AT in my '73 and installed a 4-speed using a 4-speed E3 dshaft I got from a junkyard. Later the 4-speed came out in favor of a 5-speed, using the original AT dshaft which is only about 3/4" different from that specified for the 5-speed. I followed instructions written for an E3 by Carl Nelson of La Jolla Independent BMW. Years later I ran into him and asked about the 3/4", he said ignore it. Seems to me that anyone else could do the same, AT driveshafts ought not to be uncommon in junkpiles. Warning: I am said (by my wife, paraphrasing) to have deep pockets but short arms.
Click to expand...
Do you still have these written instructions from Carl? Wouldbe interested...
 
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