aFe Silver Bullet Throttle Body Spacer (46-31006) enhances airflow and throttle response for 2006–2010 BMW 5 Series E60 with 4.8L V8 engine. Made from durable T-6061 billet aluminum, this spacer features a unique serrated/helix design that generates turbulence prior to air entry, promoting better atomization and combustion.
The design helps increase horsepower and torque while avoiding the whistle noise typically associated with helix-only designs. It’s a simple, bolt-on upgrade for improved engine performance and efficiency.
Key Features :
CNC-machined T-6061 billet aluminum construction
Serrated/helix combo design enhances turbulence and combustion
Improves throttle response and fuel efficiency
Reduces annoying whistle noise found in standard spacers
Easy installation; bolts to factory throttle body
1 to 2 Business Days
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