| 2004 BMW E60 5 Series aFe Silver Bullet Throttle Body Spacer (545i, 550i) |
 Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers. This throttle body spacer fits the following BMWs: E6 0 5 series: BMW 545i, 550i 2004-2010 E6 3 E6 4 6 series: BMW 645ci, 650i + Convertibles 2004-2010 E5 3 X 5: BMW X 5 4.4i 2004-2007 - with N6 2 V 8 engine This throttle body spacer is 50-state legal (CARB E.O Number D-516-2). Price: 179.94 |