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      09-19-2020, 11:32 AM   #14
rjahl
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Drives: Z4 35is
Join Date: Jun 2011
Location: Tampa

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2012 Z4 35is  [0.00]
Quote:
Originally Posted by HydroxFrost View Post
Quote:
Originally Posted by EvaBmw View Post
Took it for a spin after reassembling. Definitely more torque down low.Worked out to be a cheap 3 stage conversion. Cost $130 all up and i spent 3 hrs doing it.
I was thinking about trying to source a 325i tune from somewhere. The power difference between N52b25 323i and 325i is 30kw (40hp). The engine and internals are identical, so a good gain to be had from a tune. Could be a tough ask though as the N52b25 is not as common as the b30. Was going to try flashing a 325i into it with winkfp. I'm pretty sure it's not as easy as doing that though. Any suggestions anybody??
If you have access to the file, it is as easy as flashing it with winkfp
Not if there is a Powerclass difference in the two files. You'll get limp mode and no power.

Checkout Bimmerlabs they might have a file for you.
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