Description

JB4 Rev 3.7 Connect Kit – BMW N54 Selling my JB4 Rev 3.7 Connect Kit for BMW N54 engines. Removed from my BMW 335i N54 . Able to connect on app and tune and have logs all from the phone. • Compatible with N54 engines • Includes JB4 unit + wiring harness (as shown in pictures) • Fully working, no issues • Plug-and-play for N54 cars • Great upgrade over stock , over 8 maps available Serious buyers only. Message me if interested. WhatsApp 66977355