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by R77YDS
Sun Sep 04, 2016 9:42 am
Forum: Problems (E53 1st-gen, 2000-2006)
Topic: Front and rear diff swap, 3.91 to 3.73
Replies: 19
Views: 7383

Re: Front and rear diff swap, 3.91 to 3.73

Hi just wondering how your diffs are getting on as I also have a broken carrier in a 3.91 rear diff and been thinking of doing the same job ?


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by R77YDS
Sun Sep 04, 2016 9:38 am
Forum: Problems (E53 1st-gen, 2000-2006)
Topic: Front and rear diff swap, 3.91 to 3.73
Replies: 19
Views: 7383

Re: Front and rear diff swap, 3.91 to 3.73

[quote="dal.a"]
Update. It's all done and is spot on, speedo is the same as its from the hub, there's no real noticeable difference in the way it drives, the diffs are from a 2005 3.0d X5 whereas mines a 2006 3.0d, as far as I can see the 3.91 were fitted in the 4.4's so I can only think they are in ...