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
2014-2016	BMW	228i	Base
2013-2018	BMW	320i	Base
2013-2018	BMW	320i xDrive	Base
2012-2016	BMW	328i	Base
2014-2016	BMW	328i GT xDrive	Base
2013-2016	BMW	328i xDrive	Base
2014-2016	BMW	428i	Base
2015-2016	BMW	428i Gran Coupe	Base
2014-2016	BMW	428i xDrive	Base
2015-2016	BMW	428i xDrive Gran Coupe	Base