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FlyWulf

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Hello all,

My local scrapper has aquired a 1981 528i, I was wondering what parts are compatible with my 72 CS? I nabbed the five speed right away to upgrade the four speed I have currently. What about the third member or the rear axles with cv joints. Or maybe the front suspension?Thanks in advance for your replies, I love this site.

Eddie E.
 
In the future, please don't double post. (posting the same thing in two sections)

As for your question, the 5 speed was the big thing to get, especially since it is a Getrag 265, which is a nice, beefy, rebuildable box. As for the rest, the diff will work if it is an E12 5er, but I'd only go through the trouble if you lack LSD and the new one has it. The rest of it is largely useless, aside from the engine.
 
LSD

How do I tell if my CS has LSD or not?

Sorry about the double post, I was not sure where to put the question.

Eddie E.
 
Or, if you can lift the rear off the ground, turn one of the wheels. If the wheel on the opposite side turns the opposite way, the diff is an open diff.
 
I'm using sway bars off of a 530i on my CS. They bolted up fairly easily, except for the fact that they were much thicker in diameter (aftermarket). I would assume that the 528i's would be the same, but not sure. The struts, etc. are not interchangable, I tried! :cool:

Dan
 
x_atlas0 said:
Or, if you can lift the rear off the ground, turn one of the wheels. If the wheel on the opposite side turns the opposite way, the diff is an open diff.
Click to expand...

In my experience this is a very unreliable test. I have seen sideloader LSD's spin the opposite direction off the ground, but still be able to lay down twin stripes on the pavement. The construction of the sideloader LSD is such that it can easily slip when not under load. This is exacerbated by wear to the friction rings and shims after 20 or 30 years of use.
 
velocewest said:
In my experience this is a very unreliable test. I have seen sideloader LSD's spin the opposite direction off the ground, but still be able to lay down twin stripes on the pavement. The construction of the sideloader LSD is such that it can easily slip when not under load. This is exacerbated by wear to the friction rings and shims after 20 or 30 years of use.
Click to expand...

Ok, I guess the diff I got is in great shape then. When I turn the input shaft, the two output shafts spin the same direction.

You are completely correct, though, in that the best test is the twin rubber test.
 
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