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View Full Version : N55 335i and JB4?


old&slow
08-29-2014, 08:39 AM
has anyone here installed the JB4 in the n55?
comments?
BavarianBeast
08-29-2014, 08:45 AM
Works better on the N54 :rofl:

But in all serious, it's a great piggy back. For 60-80+hp under $600 you really can't go wrong with them.