aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L

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.
Silver Bullet Throttle Body Spacer Kit BMW 545i/550i/645Ci/650i/750i (E60/63/64) 04-10 /X5 (E53) 06-08 V8-4.4/4.8L (N62)

Fitment:
BMW 545i Base 2004 to 2005
BMW 550i Base 2006 to 2010
BMW 645Ci Base 2004 to 2005
BMW 650i Base 2006 to 2010
BMW 750i Base 2006 to 2008
BMW 750Li Base 2006 to 2008
BMW X5 3.0i 2001 to 2004
BMW X5 4.4i 2000 to 2006
BMW X5 4.8is 2004 to 2006