[hwelvaar]

Originally Posted by hk_m135i

I've had an email from burger tuning that their F30 335i stage 2 JB4 tune will work fine with the F20 M135i. The dyno results look decent especially with their catless downpipe:

http://www.burgertuning.com/N55_Stage2_Jb4.html

Hmm, on their website it says:
"JB4 support for the F10 & F30 is limited and does not yet include in dash features."

When the M235i is released in the States, I hope more tunes (from US tuners) will be released and also usable for the M135i (same engine).