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Haynpunch Haynpunch is offline
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Posts: 585
Join Date: Jun 2017
Car: 07 E90 335i
Default 11-14-2019, 07:58 PM

Originally Posted by Trowy88
Hi Terry, sorry I'm new to jb4 my 07 E90 335i n54 FBO with rebuilt stock turbos with Td04 wheels, upgraded inlets about to get installed. Car has xHP stage 3 Transmission flash tune. Walbro 460 about to get installed also running E40 mix. I'm unsure what tune to run or even where to find the page where the tunes are downloaded from. Could you please link me to the appropriate tune file where I can download it please and a simple explanation as how to do so, I'd be very greatful.


If you can email me at:

That'd be fantastic cheers
Latest JB4 Firmware

BEF Maps / How To's can be found Here
N54 BimmerBoost MHD Back End Flash Maps - - International Turbo Racing Discussion

"Hybrid Setup" can be found
JB4 N54 Hybrid Turbo Setup Directions - - International Turbo Racing Discussion

07 E90 AT - xHP
JB4 G5 - Trebila BEF
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