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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 11-08-2011, 11:28 PM   #1
BNagy330ci
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My Ride: 2005 BMW 330ci ZSP
Cant find how to...

Hey guys, I have recently been building up my 330ci ZSP auto and i have decided to put in the ZHP performance package ( and all the goodies to go with it) however, i have been trying to figure out how i an convert my final drive gear ratio into the ZHP 3.64 apposed to my current 3.38.

How do i do it!?
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Old 11-08-2011, 11:31 PM   #2
jasonbimmer
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you swap the diff.
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Old 11-08-2011, 11:36 PM   #3
BNagy330ci
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I understand that you have to swap the diff. on a Manual but i thought i read somewhere that on an automatic you can change or adjust the final gear ratio? am i wrong?
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Old 11-08-2011, 11:39 PM   #4
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Originally Posted by BNagy330ci View Post
I understand that you have to swap the diff. on a Manual but i thought i read somewhere that on an automatic you can change or adjust the final gear ratio? am i wrong?
yes you are wrong.
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Old 11-09-2011, 12:39 AM   #5
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Originally Posted by jasonbimmer View Post
yes you are wrong.
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