Twisted Tuning BMW Custom Calibration (N54, N55, S55, B58, S58, including A90/A91 Supra) Price: $450.00
Twisted Tuning Twisted Tuning A90/A90/Z4, M240, M340, M440 Differential Lockdown Brace Kit (Version 2) Price range: $390.00 – $460.00
Spool Performance Spool FX-350 Upgraded High Pressure Pump [Gen 1 B58] Price range: $1,999.00 – $2,596.00
Spool Performance Spool FX-350 Upgraded High Pressure Fuel Pumps [S58] Price range: $4,499.00 – $4,997.00