The aFe Silver Bullet Throttle Body Spacer (46-31009) enhances performance for 2012-2015 BMW 328i (F30) with 2.0L N20/N26 engines through improved air turbulence and fuel mixing. Precision-machined from durable T-6061 billet aluminum, this spacer features a unique serrated/helix design that increases horsepower and torque while eliminating the whistling noise common with other spacers.
Key Features :
Direct fit for 2012-2015 BMW 328i (F30) 2.0L N20/N26 engines
T-6061 billet aluminum construction for durability
Serrated/helix design optimizes air/fuel mixing
Increases horsepower and torque output
Improves throttle response and fuel efficiency
California CARB EO approved (D-550-11)
Reduces whistling noise compared to standard spacers
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