Version 1.
Version 1.
Advanced BMW B58 tuner for power, customization, monitoring, and performance optimization.
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!
Next-Gen Power Delivery with OEM-Level Integration - up to +70 HP / +70 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
Increase power without sacrificing reliability
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-19-2026