Quote:
Originally Posted by persian54
i dynoed my Z4 with the JB4 Beta
My car was used to help tune the DCT maps for the Z4
353 whp and 349 whq
base was 287whp and 282wtq
JB4 only
no other modifcations
91 octane gas
55 degrees
if you want one new, let me know, i can ask around. I know a lot of people
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Getting the 35i soon, Looking to pump up the power after the first month. Where can I get a used/new one?