N54 Tuning (135i, 335i, 35i)
  • BMS JB4 PnP N54 Stage 3 w USB Cable
    BMS JB4 PnP N54 Stage 3 w USB Cable
    BMW N54 135i 335i JB4 Plug n Play Tune/remap Ready to take your BMW twin turbo to the next level?
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    £319.99 only
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  • JB Plus BMW N54 Stage 2 Quick Install Tune
    JB Plus BMW N54 Stage 2 Quick Install Tune
    A Stage 1 N54 plug and play tune for your N54 Twin Turbo motor, offering safe and adjustable 30-60 Horsepower gains at ...
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    £175.57 only
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  • N54 JB3 to JB4 Upgrade Kit
    N54 JB3 to JB4 Upgrade Kit
    Upgrade your N54 JB3 to a new N54 JB4 Unit. Simply purchase the upgrade kit and you will recieved a new JB4 unit an...
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    £140.00 only
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