Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
This harness is the perfect solution for ReFlex+ users who want a simple, reliable, and cost-effective plug-and-play option without compromising their vehicle's stock wiring.
Brand:
ES#:
4865971
Mfg#:
201-0409
In Stock
$213.99
This product was last offered at the strikethrough price on 01-22-2026
Plug-&-Play piggyback tuner offering a wide range of adjustments - Easily adjusted via Dinan's Bluetooth app - Includes upgraded 4-Year/50,000 Mile Factory-Matching New Car Warranty!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For vehicles with the Gen3 B58 (B58N / B58TU2) engine only
Brand:
ES#:
5425665
Mfg#:
D440-0201-W
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2362.99
This product was last offered at the strikethrough price on 07-19-2026
Plug-&-Play piggyback tuner offering a wide range of adjustments - easily adjusted via Dinan's Bluetooth app
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For vehicles with the Gen3 B58 (B58N / B58TU2) engine only
Brand:
ES#:
5425666
Mfg#:
D440-0201
Ships on Aug 12, 2026
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$742.99
This product was last offered at the strikethrough price on 07-19-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!
Brand:
ES#:
4810321
Mfg#:
200.1103
Ships in 5 Business Days
$615.00 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
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