So you want equal power out of both wheels? You want maximum traction and stability without DSC? You're going to want to check Team MCO's latest addition to their MCS:

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Tuesday morning came and I took the TEAM MCO COOPER S over to BimmerHaus Performance for our long awaited limited slip differential install. To get to this point I spent a lot of time on the phone with our friends at Helix13 getting a guideline how-to together for the installation along with a list of all the parts that were needed. The parts list is actually pretty short:

Quaife Limited Slip Differential
Two bearings
Some formable gasket
2 qts of transmission fluid

You can read the entire experience and see tons of photos here. If you get a chance you'll also want to check out Team MCO's brake upgrade they made a couple weeks back.