FWIW, it really isn't difficult at all to (un)install the Procede after your first time. I can do it in under 20 minutes now without any issue or instructions.
If you do get any mods in the future, the Procede will autotune to those new mods and automatically increase power. With GIAC you would have to order (and pay for) a new flash.
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2007 335i SG Coupe
2009 128i AW
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