A piggy back tuner that allows you to adjust throttle response for peak performance.
A piggy back tuner that allows you to adjust throttle response for peak performance.
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 +60 HP / +50 TQ
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
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
08-27-2026