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Old 05-11-2019, 04:21 PM
colecharris colecharris is offline
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Mein Auto:
Two versions of 4l30e

I have a ‘98 1.9 z3 w/ 4l30e auto trans. I don’t currently have transmission, problems, but I am considering mods to increase performance. One mod would be lower gearing. Wikipedia says there are two versions of the 4l30e. The ‘other’ one has 1st 20% lower and 2nd 10% lower. 3rd, 4th, and R are the same. This would seem to be a pretty good plug and play (?) answer for improving 0-50 times.
Any opinions on this idea?
Also, are there mods that can improve the manual mode response?
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