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      03-06-2018, 07:28 PM   #60
Dewski
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Drives: BMW M3?
Join Date: Feb 2017
Location: PNW

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Diff Question

Hey folks,

So my reardiff is getting replaced under warranty (3rd party) and I have a chance to upgrade the part.

The insurance will put in a used OEM 3.15 diff with 44k miles on it fully covered. Notably, I am not clear if they'll require a core return (how much do they go for?).

However, I could upgrade to a diffsonline DCT diff with 3.45 ratio. They'll require my core back. I found that diffsonline is currently asking for $2499 for the 3.45; however, another site is offering branded diffsonline 3.45 for $1949.

For daily driving is the 3.45 worth it? I'll unlikely track the car...

Thoughts?

Cheers,

Dew
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