Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims
Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims
Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Competition Package models
Competition Package models ONLY
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
07-18-2026
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 +95 HP / +70 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
For CS and CSL models only - not for standard M3 / M4 models
Next-Gen Power Delivery with OEM-Level Integration - up to +130 HP / +100 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
Increase of +25 Horsepower, and +25 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Increase of +170 Horsepower, and +294 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
This software is only compatible with Windows PC / Laptop.
Increase of +121 Horsepower, and +269 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
This software is only compatible with Windows PC / Laptop. CARB certified for sale in all 50 states.
Increase of +40 Horsepower, and +45 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Increase power with this plug-and-play tuning module! Gains of up to +60 HP & +70 Nm (+52 ft lbs)
For CS models only
Increase power with this plug-and-play tuning module! Gains of up to +70 HP & +110Nm (+81 ft lbs)
For Competition package only
Increase power with this plug-and-play tuning module! Gains of up to +79 HP & +100 Nm (+74 ft lbs)
Increase power with this plug-and-play tuning module! Gains of up to +110 HP & +140 NM (+103 ft lbs)
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date up to 12/1994 with a Euro HFM and lightweight flywheel. Satisfaction guaranteed! Includes 30 day money back guarantee a
This product was last offered at the strikethrough price on
05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date from 01/1995, a Euro HFM, and lightweight flywheel. Satisfaction guaranteed! Includes 30 day money back guarantee and l
This product was last offered at the strikethrough price on
05-02-2026