Thread: LSD
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      07-24-2012, 09:43 AM   #17
1speedbike
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Drives: 2022 X4 M40i, 2008 135i
Join Date: Jun 2008
Location: MKE

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Quote:
Originally Posted by bdoooh View Post
I was going to post up in another thread.. but I think I'll hijack this one since it's on the same topic.. I've been looking into LSDs lately as one of my first mods. I feel as if getting more power like most people desire, as much as it is tempting, I believe supporting mods for the future power is more important. And seeing as the wavetrac is $1200, that isn't too bad.. but.. my question is.. what's the true cost of getting an LSD in a manual N55 135i? Seeing as the differential is welded..

True cost meaning.. the LSD ( minus the core charge ), installation, and any other costs that may be associated with this. It is... around $1200, right?
Going by what it says on N54Tuning for buying the Wavetrac...

Quote:
If you are welded you need to select the install kit + core option. Install Kit is 699.00 and the REFUNDABLE core is 800.00 (Total 1499.00) (800.00 core is refunded once your stock pumpkin is sent back)
So it's $1,199 + $1,499 (core + install kit) - $800 (core refund) + labor cost (I don't think this is DIY for most people) = $1,898 + labor.

The install kit seems necessary for welded (manual) but not bolted diffs. Going by what I've seen, Dinan quotes 4.8 hours for install, other places quote up to 8 hours (!!), so I'm assuming something like $400-$800 cost for the install. So, total cost would be $2,298 - $2,698 depending on the installation labor cost for MT. $699 less for an auto that doesn't need the install kit.
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