aFe Power 77-43005 Scorcher Module; Computer Chip

Dyno-Proven Gains up to +47 HP & +57 Lbs. x Ft. TQ Simple Plug & Play Install (Roughly 5 Mins) Alters Pressure Signals to Increase Boost Levels for Improved Throttle Response and Reduced Turbo Lag Simple On-and-Off Operation w/ LED Light Compatible with Other aFe POWER Performance ProductsYou may also like aFe Silver Bullet Throttle Body Spacers TBS BMW (E53) 00-06 5series (E39) 97-09 6series (E63/64) Fits select: 2004-2005 BMW 645, 2006-2009 BMW 650.