aFe Throttle Body Spacer BMW E39 E60 E63 V8

Product Description

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque - +5 hp, +2.5 lbs/ft 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 is 50-state legal (CARB E.O Number D-516-2).

FITMENT:
E39 5 series BMW 540i 1997-2003
E60 5 series: BMW 545i 2004-2005
E63 E64 6 series: BMW 645ci, + Convertibles 2004-2005
E65 E66 7 series: BMW 745i, 745li 2002-2005
E53 X5: BMW X5 4.4i 4.6is 2000-2006