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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 01-03-2018, 11:53 PM   #1
Mayron92
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Join Date: Aug 2017
Location: BR
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My Ride: 330i Motorsport SMG
A little dumb question sorry. Very important

Hey guys i really need ''update'' or maybe ''download override'' a z3 ssg/smg TCM (Partnumber 33107564160) to my 330i ssg(SMG) module(TCM) because i have swapped my differential and gearbox was dumb with the new ratio.

Btw i need to know if there is a program (maybe winkfp) that can copy a ''data'' from the 33107564160 module and paste to my module, same gearbox same electric. just need to override files.

another question, is there a way of find the 33107564160 TCM files? bmw programs have a stock library of bin/data files of modules?



Thank you sorry for bad english im learning to deal with my e46.
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Old 01-04-2018, 07:52 PM   #2
jd improved
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My Ride: charged 330i smg
I think you should stay in the "330i SMG problems after diff upgrade" thread.

Partnumber 33107564160 is a 3,46 rear diff of a E86 Coupe z4 3.0si. This car was never available with smg/ssg.

You said you have a 3.62 m3 differential. Why do you want to use a software for a 3.46 differential?
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Old 01-10-2018, 12:35 PM   #3
Mayron92
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My Ride: 330i Motorsport SMG
3.46 is closer than my 2.9 tcm ratio.. maybe less lag and my last hope. The z3 2.5 (or 2.8) have a smg option with 3.46 diff
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Old 01-10-2018, 01:08 PM   #4
daniel_f.
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I used to use 3.91 instead of 3.38 on a 5speed ZF auto gearbox and that was freaking the TCU out. I found a firmware with 3.73 from a different car, but even that was off by to much so the TCU still limited max vehicle speed.
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