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For those folks who have upgraded their gearing. Do you think regret getting the upgrade w/o getting the limited slip as well? DO you find the DSC coming on while launching from a start or accelerating out of the corners? I am considering a 3.38 on my 2003 330i (6 speed, No ZHP in Canada so 2.93 final drive still).
 

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If you do a lot of power launches you might enjoy an LSD... also, as a practical matter, if you drive in the snow, you might want the LSD for better traction on the slippery stuff.

I'm going to do a 6-speed conversion, and get a 2.93 LSD if I can find one-- I'm more interested in gas mileage and longevity.
 

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CalVol said:
If you do a lot of power launches you might enjoy an LSD... also, as a practical matter, if you drive in the snow, you might want the LSD for better traction on the slippery stuff.

I'm going to do a 6-speed conversion, and get a 2.93 LSD if I can find one-- I'm more interested in gas mileage and longevity.
let me know how it goes, i'm planning on doing the same thing:D
 

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DSC comes on every now and then with my 3.38. Normally DSC is off though. I mean if you are trying to launch hard from the beginning, it would make sense to turn the DSC off anyway, right?
 

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I just upgraded my gearing from a 3.15 to 3.46 yesterday. I don't regret not getting the LSD. I don't know what your ultimate goal is for upgrading your differential. Is it to just pick up more speed, or is it to transfer the power between the rear wheels?? I wanted the diff to pick up more speed and my 3.46 definately did the job. If anyone want's my diff it is for sale.
 

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i know that you have a open diff right now in your 330. when you launch off the line how do you feel about the wheels spin? When you swap for a more aggressive gearing with an open diff, you should feel the same amount of wheelspin you have currently.
 
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