BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      03-23-2008, 09:43 PM   #1

Join Date: Mar 2008

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330ci diferential

I have a 2004 330ci that has AA twin screw supercharged, headers and exhaust. I am trying to figure out the perfect combination for the differential. I am not trying to get limited wheel spin and still have some top speed. I cannot even find ou what is has in it now. Some say 2.73/ 03.07 or 3.38. can anyone help or been through this experience before? My biggest poblem is getting any torque in thir gear on.It is a monster form the start and running through the gears. But if ou just punch it from third it doesn't seem to have much torque. Any ideas? Wheel a differential help with this?
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      05-03-2008, 11:00 PM   #2
Second Lieutenant

Drives: 2008 BMW 135i
Join Date: Sep 2008
Location: Michigan, USA

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try contacting Horst @
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