aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52 $100 - $150 All ACT diaphragms endure a

All ACT diaphragms endure a four-stage

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Aeromotive Inc

Install the BTB with the supplied hardware

The Bladerunner turbo inlet manifold also improves turbo spool up times and lowers exhaust gas temperature (EGTs)

aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52 $100 - $150 All ACT diaphragms endure aThe serrated helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance. This unique entry design also reduces intake whistle that commonly occurs with other helix only styles. The addition of a Silver Bullet throttle body spacer lengthens the intake tract, which increases air intake speed, resulting in improved throttle response and overall performance. All