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aFe Silver Bullet Throttle Body Spacer | BMW 328i L6-3.0L (E90/E91/E92/E93) (07-13) (46-31011)

aFe Silver Bullet Throttle Body Spacer | BMW 328i L6-3.0L (E90/E91/E92/E93) (07-13) (46-31011)

SKU:46-31011

In stock

Regular price $139.00 USD
Regular price $139.00 USD Sale price $139.00 USD
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The aFe Silver Bullet Throttle Body Spacer for 2007–2013 BMW 328i (E90/E91/E92/E93) with the L6-3.0L N52 engine is a precision-engineered performance upgrade designed to enhance airflow and throttle response. Featuring a patented serrated helix design, this spacer creates turbulence within the intake manifold, increasing air pressure in the combustion chamber for improved engine efficiency and power output. The unique design also minimizes intake whistle noise commonly associated with other helix-style spacers. By lengthening the intake tract, the Silver Bullet spacer accelerates air intake speed, resulting in smoother throttle response and enhanced overall performance without compromising reliability.

This throttle body spacer is a direct-fit upgrade for the specified BMW 328i models equipped with the N52 inline-six engine, ensuring straightforward installation without modifications. Ideal for street and performance driving, it enhances daily driving dynamics and throttle feel. The kit includes the spacer itself, manufactured with precision to maintain OEM fitment and durability. This component is suitable for enthusiasts seeking a bolt-on solution to improve intake efficiency and engine responsiveness while maintaining factory compatibility and ease of installation.

Overview

aFe Throttle Body Spacer

Fitment: 2007-2013 BMW 328i (E90/E91/E92/E93) L6-3.0L N52

Part #: 46-31011

Overview

The aFe Silver Bullet Throttle Body Spacer is a precision-engineered performance drivetrain component designed specifically for select BMW 328i models equipped with the L6-3.0L N52 engine. This spacer installs between the throttle body and intake manifold to optimize airflow dynamics, enhancing throttle response and overall engine efficiency. Ideal for enthusiasts seeking a refined driving experience, it supports improved combustion by increasing air pressure and intake velocity.

Its unique serrated helix design, protected by US Patent 07055513, creates controlled turbulence within the intake manifold. This not only boosts air pressure in the combustion chamber but also reduces the intake whistle noise commonly associated with other helix-only throttle body spacers. The result is a smoother, more responsive throttle feel that complements both daily driving and spirited performance.

Key Features

The aFe Silver Bullet Throttle Body Spacer offers several technical advantages:

  • Patented serrated/helix design to create beneficial intake turbulence
  • Increases air pressure in the combustion chamber for enhanced throttle response
  • Reduces intake whistle noise for a quieter operation
  • Lengthens the intake tract to increase air intake speed
  • Precision-machined for exact fitment and reliable performance
  • Durable construction designed to withstand engine bay conditions

Installation & Fitment

This throttle body spacer is designed as a direct bolt-on upgrade for the 2007-2013 BMW 328i models with the L6-3.0L N52 engine. Installation requires no permanent modifications and can be completed with basic hand tools. Fitment should be verified against your vehicle’s specifications and the part number to ensure compatibility.

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