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Old 04-14-2012, 12:42 AM   #19
Registered User
Join Date: Oct 2007
Location: Bay Area, CA
Posts: 48
My Ride: M3 ZCP, E55 AMG
Originally Posted by RebL View Post
Umm yeah you can, even cheaper if you know the right people.

I don't see why your mad dude, just looking out for other forum members. Honestly good luck with the sale.

Now here is how to get everything done for under $1000.

BMW Motorsport gears: $804

Straight from Rahal BMW 742-746-2600.

$530 for the 3.91 (Part #
$804 for the new edition 4.10 (Part #

Installing R&P: $85

Labor: $0

Man up, get your hands dirty.

Fluid: $30 ($15 a quart)

Amsoil 75w140 Severe gear diff. lube.


you forgot that you have to buy shims and crush seals... if you want to do it yourself thats fine, but to fabricate a diff from just a ring/pinion, will take you 6-10 hours of labor.

because theres no way in heck you are buying a 4.10 fully built diff for $804.

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