u/Highlowfusion — reddlx

Confused about all the different differentials available

Hey E39 crew. I am buying an E39 M5 from my buddy and it needs a rear differential and driveshaft. I'm looking to order one and diffsonline has a variety of different ones. It seems like the M Variable one is the least expensive but has a life expectancy of around 50k miles. The car is not going to be tracked and I was debating on increasing the rear ratio to 3.62:1 for better acceleration.

I'd love any advice on buying/where to buy a differential and driveshaft for that matter.

The car has been meticulously maintained but the front diff bushing went out and caused all the damage over time.

Appreciate your help

reddit.com

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