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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 08-08-2014, 03:17 PM   #241
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Join Date: Nov 2011
Location: Jacksonville, FL
Posts: 31
My Ride: 2002 330ci
Originally Posted by kpeng View Post
Thanks Tim! I picked up both diffs, and I think the new one is like 5 lbs. or so lighter than the old one.

I did swap the input flange, but since the diff dimensions are different, the stock driveshaft wouldn't reach. It wasn't a matter of not being able to bolt up, it was a matter of getting the driveshaft to even reach the input flange. To solve this, I needed a driveshaft that was longer.
Found it
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Old 09-04-2014, 11:10 PM   #242
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Join Date: Nov 2011
Location: Jacksonville, FL
Posts: 31
My Ride: 2002 330ci
So im in the middle of this DIY for my 2002 330ci coupe and I've hit a snag...
The diff is mounted and im in the process of putting the new donor driveshaft on.
The driveshaft i bought is from a 2003 325i, and even after i stretched in from loosening the spline, it's not nearly long enough.
Can anyone confirm that I bought the wrong driveshaft, or i need one from a coupe?
It seems the shorter end of the driveshaft that mates to the tranny is much shorter on the one donated from the 325i, vs. my stock 330 one..

The diy said ANY e46 so...
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