00–05 E46/Z3/E39/E83/E85 MS43 N/A Tune – Stage 1/2/3

Unlock the full potential of your naturally aspirated ms43 ecu M54-powered BMW with a custom tune! With proper supporting modifications, you can expect impressive gains of up to 30 horsepower and 22 lb-ft of torque. These mods can include cam upgrades, intake or exhaust enhancements, or underdrive pulleys to help your engine reach its maximum performance. Applications: 2000–2002 E36/7 Z3 2.5i 2000–2006 E46 325i, 325xi, 325Ci 2000–2004 E46/5 325ti 2000–2004 E39 525i 2003–2005 E60/E61 525i, 525xi 2003–2006 E83 X3 2.5i 2002–2005 E85 Z4 2.5i 2000–2006 E46 330i, 330xi, 330Ci 2000–2004 E39 530i 2000–2002 E36/7 Z3 3.0i 2003–2005 E60 530i 2002–2005 E85 Z4 3.0i 2003–2006 E83 X3 3.0i 2000–2006 E53 X5 3.0i 2002–2005 E65/E66 730i, 730Li Optional Features: EWS Delete Burbles/Flames (toggleable) Launch Control Diagnostic Trouble Code Disabling SAP Delete DISA Delete O2 Sensor Delete