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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > xHP flash possible on late e92 N55 locked DME?



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      05-16-2018, 11:19 AM   #1
cbc03
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xHP flash possible on late e92 N55 locked DME?

I have a 2013 e92 with an automatic trans. I know I am SOL when it comes to OBD flashes like MHD and such (at least without removing the DME first) however would I be able to flash transmission mods such as the xHP? Their site shows it is compatible but I'm having a hard time understanding how transmissions mods are able to be flashed through OBD but tunes are not? Can I flash xHP? Or does this also require the DME bench unlock?
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      05-16-2018, 11:43 AM   #2
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Quote:
Originally Posted by cbc03 View Post
I have a 2013 e92 with an automatic trans. I know I am SOL when it comes to OBD flashes like MHD and such (at least without removing the DME first) however would I be able to flash transmission mods such as the xHP? Their site shows it is compatible but I'm having a hard time understanding how transmissions mods are able to be flashed through OBD but tunes are not? Can I flash xHP? Or does this also require the DME bench unlock?
Yes you can flash xHP via the OBD2 port. The TCU and ECU (DME) are different modules.
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      05-17-2018, 11:25 PM   #3
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The latest xhp stage 3 flash is the way to go.
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2013 BMW 335i M-Sport Cpe, MHD Stg 2+, FTP Charge Pipe, xHP Stage 3,c*tless dp, PE mod, Rev9 FMIC
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