Here I have my Burger motorsports JB4 tuning box for sale, comes with the optional Bluetooth connection kit for quick changing of maps on the fly through dedicated phone app.
Has multiple maps and even a custom map that I gained 100bhp from with just bolt on mods. Really transformed my gti performance!!
JB4 retail price £400 and the Bluetooth module retail price is £130
Asking £250 ono
Can post or pick up from leeds
Link to proper advert for more info-
https://progressiveparts.com/product/bm-jb4-vag-tuning-box-for-ea888-gen3-mqb-mk7-golf-gti-s3-8v-tts-mk3-cupra
