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 Part Fits:

Year	Make	Model	Submodel
2001-2006	BMW	325Ci	Base
2001-2005	BMW	325i	Base
2001-2005	BMW	325xi	Base