Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem
Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem
Includes new OEM Bosch injectors and Genuine BMW installation hardware for a full refresh of your fuel injection system
For vehicles with the earlier Gen2 B58 engine only
This product was last offered at the strikethrough price on
03-31-2026
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
Unlock the ultimate performance of your Gen2 B58 engine with the Dorch Engineering DS25 High-Pressure Fuel Pump Upgrade.
Conveniently control a second or third low pressure fuel pump!
Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.
CNC-machined spacers, hardware, fuel line adapter, requires fuel injectors, chargepipe.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
Universal Performance Injectors
Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!
Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit.
Unlock the true performance potential of your Gen2 B58-powered vehicle with the Dorch Engineering DS3 High-Pressure Fuel Pump Upgrade.
Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit.
The PFS B58 Port Injection Kit from Vargas Turbo Technologies is designed for enthusiasts looking to push their B58-powered vehicles beyond the limits.