Quote:
Originally Posted by Zombie_Head
May i ask, does the whole RSF need to be dropped out of the car to get a LSD installed (including M3 diff bushings front and rear) on a 125i/128i?
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Nope, not at all. Remove the bolts from the input flange to the drive shaft, remove the bolts on the output flanges to the rear axles, then put a jack under the diff and remove the bolts to the rear subframe and lower the diff down with the jack.
Definitely helps to have a second to operate the jack while you guide the diff out and prop it up.
I did it on jackstands over the course of an evening and a morning, but I was slow, and the driveshaft needed to soak in PB Blast to loosen off the diff.