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I ordered w/n part # 33171121908 for the rear diff, problem is the new one is 3/8" shorter mount surface to mount surface. The blocks of wood in picture are mimicking the diff. Anyone had this happen? Seems like way too much variation.
I had the same problem with a new mount from W&N many years ago. Found another new one which was correct. Perhaps it is for another model, and got mixed up at the provider...?
Not much help, but a possible explanation
Contacted W/N, they said it's a BMW sourced part that has changed a couple times over the years. One size fits all.
I can't believe 0.375" isn't going to affect things like driveshaft and half shaft angles. I'll try to update further into the project for Future readers. Might end up making a spacer.
I know things go right over my head sometimes but would someone please explain how the differential position has anything to do with camber? Last time I looked it appears the trailing arms control camber and the drive axles flex to eliminate any angularity change from the differential. Is this a Gotcha?
Gwittman, I'm with you - the driveshafts have joints on both ends so can someone explain how diff position affects camber? I thought camber was a function of subframe construction angles. Trailing arm bushing eccentricity would primarily affect toe-in/out but could, I suppose, affect camber to a slight degree. I'm trying to visualize this and not getting it.
A spacer would be the "easy" way to compensate. I suppose a camber gage used before and after, spacer and without, would tell the story, though I don't understand how.
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