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FS: JB4 with upgraded board, HPFP connection

Thread starter Razors Edge
Start date Wednesday at 7:31 PM
Watchers 1

Razors Edge

Well-Known Member

Thread starter
#1

Selling my JB4 tuner with JB4 Fuel Pressure upgrade kit for 2020+ BMW B58/S58/B48 & B58 Supra.

I have the original JB4 tuner board as well, so this comes with it all. It has a custom map 6 that is tuned for up to E45, obviously for my Supra, but with very little change, would work on most, as I ran stock car, upgraded intake and charge pipe and obviously a flex fuel kit.

Asking $350 with shipping to all 50 states, to buy brand new is around $800 total, and the upgrade kit alone was $200+ with tax and shipping.