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      11-20-2012, 12:45 PM   #1
Drives: 135i 2013 DCT
Join Date: Nov 2012
Location: Argentina

Posts: 50
iTrader: (0)

135i 2010 steptronic gearbox

hello how are you ???

i have a 135i steptronic n54 engine, i have some doubts about jb4 repro, downpipe, cai etc.
basically i donīt know how much power the gearbox support, because i dont want destroy the gearbox, so, how much horsepower will support ?

you can recommend me to do?

i think the with jb4 repro and cold air intake its ok ?

wait your answers

thankyou very much
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