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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 04-09-2009, 08:03 AM   #1
TiG3rBa7m
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Exclamation im lost need help...

ok i did do research on rear diff. and see alot of ppl are putting the 3.46 in the car. but i have a 99 323i 5-speed and that is stardard right? so which gear ratio would be best for me. 3.38 or what i lost myself when reading and now im comfused as hell help plz and by reading you saying that its hard to get around 150 it is... im at redlight about 140. so do i not have 3.46 or what... did the german bmw use a different rearend. caz i was imported over... by a soldier before me
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Old 04-09-2009, 08:52 AM   #2
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3.38 definitely wouldn't help.

I think you could get away with a 3.91.
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Old 04-09-2009, 09:35 AM   #3
TiG3rBa7m
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so i should just stay with what i got then
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Old 04-09-2009, 10:37 AM   #4
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If that's what you got from what I said... sure, go for it.

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so i should just stay with what i got then
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Old 04-09-2009, 12:40 PM   #5
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no i see the 3.91 diff. but i wonder how is will drive in my 5 speed like the gears
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