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I just picked up a 07 335xi and i have been researching all day today on this forum website about the various mods that can be done.
The first thing i want to do is to buy a modchip/ecutune/piggyback pnp module to increase HP and torque.
I had almost come down to a decision to buy the PROCEDE but now when i saw this chart the JB4 is cheaper and performs better...
I dont care about the amount of money, but can you guys tell me which one should i go for?
Thank you.
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