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.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2011-2013	BMW	135i	Base
2011-2015	BMW	335i	Base
2014-2016	BMW	335i GT xDrive	Base
2011-2015	BMW	335i xDrive	Base
2014-2016	BMW	435i	Base
2015-2016	BMW	435i Gran Coupe	Base
2014-2016	BMW	435i xDrive	Base
2015-2016	BMW	435i xDrive Gran Coupe	Base
2014-2016	BMW	M235i	Base
2015-2016	BMW	M235i xDrive	Base
2013-2015	BMW	X1	xDrive35i