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The aFe Silver Bullet throttle body spacer kit is made from T-6061 billet aluminum and fits BMW N54 3.0L twin-turbo applications including 335i (2007–2011), 135i (2008–2010) and 535i (2008–2010) where specified. Its serrated helix entry creates controlled turbulence to increase airflow, improving horsepower, torque and throttle response while eliminating the whistle associated with some helix-only spacers.
aFe Silver Bullet Throttle Body Spacers TBS BMW 335i (N54) 07-11 135i/535i 08-10 L6-3.0L (tt)
