Power Question
#11
Whatever route you take it is going to be expensive. Number one, you will need a 3-seriers BW 9-bolt carrier ( source salvage yard / used or limited new from off shore). 3:73 gears and rebuild kit for 9-bolt. Also this NOT a DIY type of job unless you want a screwed up rear. Also, 9-bolt & 10-bolt parts are NOT interchangeable so don't even think about it. If that 2:77 ratio & LSD is not broken leave it alone. My opinion.
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