Thread: Lsd swap?
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Old 12-28-2012, 08:39 PM   #10
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Join Date: Jan 2008
Location: Northern California; SF BAY
Posts: 263
My Ride: e36 M3 / E30 GTS1
Originally Posted by Driver08 View Post
Sadly true that there appears to be no economical options for getting LSD's for non-M E46's. I'm annoyed to no end not to have one. I like my 330 well enough and I'm personally not interested in burnouts but driving on or near the limit with an open diff just isn't very rewarding. I should have researched more before I bought the car. I wrongly assumed swapping in different diffs would be as easy as it is on my E30. Not so. Not by a mile. I'm just learning really about my E46 but i can tell you TMS (turner motorsports) and diffsonline are popular sources but expect to be in for 2-3K in a hurry. As previously stated, using the entire rear end from an E46 M3 is another option but you will have to live with gearing that is probably ill-suited to your car or spend more money to change it's gearing. Someone on the forum is working on making an E30 diff work but it appears that is going to require lots of work.
Hours of expensive measured machine work in alterations and custom little bits. Its fitted and not cheap at all. Ever single custom item is Billet one off made.

Not at all in the same cost category like bolting a random LSD into a e30.

photo album of what is involved if you are interested:

If you own/work at a machine shop and can access all machines I can see this being affordable. Otherwise not really as I spent quite a lot of money to have billet parts built for me locally in the Bay Area
Billet Original CNC LSD for 188K

S54B32 E36 M3 DTA S100 Sedan Street car full swap:

E30 M20 2,7L Alpina + Euro E46 320D ZF 6 speed install

Last edited by wanganstyle; 12-28-2012 at 09:16 PM.
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