BMS — JB4 tuner (B58)
$549.00
Sale price
$549.00
Regular price
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BMS — JB4 tuner (B58)
$549.00
Sale price
$549.00
Regular price
Fits: F30/F32 / G20 (B58)
Category: Tuner
Vendor: BMS
The JB4 — the default first tune for nearly every B58 build. Plug-and-play piggyback module with Bluetooth connectivity and live data via the JB4 mobile app. Multi-map support for various fuel grades. Authorized BimmerCartel listing.
DM us your year + engine code for fitment confirmation.