aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52

SKU: 46-31011 | UPC: 802959467749

aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52

This aFe Power Silver Bullet Throttle Body Spacer installs between the throttle body and intake manifold on BMW models with the N52 3.0L engine including 2007-2013 328i E90/E91/E92/E93 plus compatible 128i 325i 330i and xDrive variants. The patented serrated helix design US PAT 07055513 generates turbulence to raise combustion chamber pressure for gains up to 4 HP and 7 lb-ft torque with aFe P5R filter or 3 HP and 5 lb-ft with stock filter. Lengthened intake tract boosts air speed for sharper throttle response and fuel efficiency across daily drives and spirited performance.

Key Features

• Dyno-Proven Power Gains: Delivers up to 4 HP and 7 lb-ft torque with aFe POWER P5R Air Filter (30-10131) or 3 HP and 5 lb-ft with factory air filter for noticeable acceleration improvement
• Patented Serrated/Helix Design: Creates air turbulence just before engine entry to enhance combustion while eliminating common intake whistle from helix-only spacers
• CNC-Machined 6061-T6 Billet Aluminum: Provides lightweight strength with black anodized finish for corrosion resistance and factory-style appearance under the hood
• Increased Air Speed: Extends intake tract length to accelerate airflow yielding quicker throttle response and better low-end torque
• Direct Compatibility: Fits aFe POWER intakes P/N 51-81012-B 54-81012-B 51-81012-C 54-81012-C 54-13053D 54-13053R with included gaskets and mounting hardware for easy bolt-on install

Product Notes

• Precision machined screws ensure secure non-damaging attachment to factory intake manifold
• Black anodized surface resists wear and maintains stealth look over time
• Compact design ships in protective packaging measuring 9 x 6 x 2 inches

Installation Notes

• Professional installation recommended.
• Bolt-on design uses included hardware for 30-45 minute install with basic tools
• Compatible with stock throttle body and listed aFe intakes no modifications required

This Part Fits

Why Choose aFe POWER?

• Engineers throttle body spacers with dyno testing for real-world gains on N52 engines
• Patented designs like serrated helix set performance standards in air intake category
• Machines every spacer from billet aluminum for exact fit and lasting durability

Frequently Asked Questions

• Q: Will this fit my 2008 BMW 128i with N52 engine?
  A: Yes it directly fits 2008-2013 BMW 128i Base models equipped with the L6-3.0L N52 engine along with 328i variants
• Q: What material and finish does the spacer use?
  A: CNC-machined from 6061-T6 billet aluminum with black anodized finish for strength corrosion resistance and clean underhood style
• Q: What warranty covers this throttle body spacer?
  A: Backed by aFe POWER limited lifetime warranty against defects in materials and workmanship when installed and used as directed

Shipping & Handling

• Method: UPS Ground or FedEx Ground
• Availability: In stock – ships same or next business day
• Packaging: Secure box 9 x 6 x 2 inches
• Weight: 0.95 lbs