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Old 09-20-2012, 04:09 PM   #68
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Join Date: Jan 2006
Location: Cyprus
Posts: 6,584
My Ride: ESS TS2 320ci
As a part number, on realoem, the 3.38 is listed only for the 320, no idea why not on any other models. Still I need to confirm it from somewhere on the actual diff.

For the wavetrac, there are 2 different parts for the E46 non-m, with >3.15 ratio and <3.15.

Wavetrac Differential BMW 188K AXLE r=3.15>

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