2013-2015 BMW X1 E84 L6-3.0L (t) N55 Silver Bullet Throttle Body Spacer

Part#:
46-31007-1
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Serrated/Helix Design:
The 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.

Longer Intake Tract:
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.

6061-T6 Billet Aluminum Construction:
All Silver Bullet throttle body spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength, and a beautiful finish.

Custom Hardware:
This Silver Bullet throttle body spacer includes custom-made screws, designed specifically for your BMW. Created and machined in-house, our screws feature precisely positioned threads, allowing for a secure, factory-like, non-damaging connection to your plastic intake manifold.

Emissions Disclaimer:
Some or all of the applications listed are 50-state exempt, please see CARB EO# D-550-11/D-550-17 for details.


  • Instructions
  • Dyno Chart


Vehicle Applications

Year Make Model SubModel Engine Fuel
2011-2013BMW 135i (E82/E88) N55 Engine L6 3.0L (t) Gas
2011-2011BMW 335i (E90) N55 Engine L6 3.0L (t) Gas
2011-2013BMW 335i (E92/E93) N55 Engine L6 3.0L (t) Gas
2012-2015BMW 335i (F30) N55 Engine L6 3.0L (t) Gas
2014-2016BMW 335i GT xDrive (F34) N55 Engine L6 3.0L (t) Gas
2011-2011BMW 335i xDrive (E90) N55 Engine L6 3.0L (t) Gas
2011-2013BMW 335i xDrive (E92) N55 Engine L6 3.0L (t) Gas
2013-2015BMW 335i xDrive (F30) N55 Engine L6 3.0L (t) Gas
2014-2016BMW 435i (F32/33) N55 Engine L6 3.0L (t) Gas
2015-2016BMW 435i Gran Coupe (F36) N55 Engine L6 3.0L (t) Gas
2014-2016BMW 435i xDrive (F32) N55 Engine L6 3.0L (t) Gas
2015-2016BMW 435i xDrive (F33) N55 Engine L6 3.0L (t) Gas
2015-2016BMW 435i xDrive Gran Coupe (F36) N55 Engine L6 3.0L (t) Gas
2013-2016BMW M135i (F20/F21) N55 Engine, non-US model L6 3.0L (t) Gas
2013-2016BMW M135i xDrive (F20/F21) N55 Engine, non-US model L6 3.0L (t) Gas
2014-2016BMW M235i (F22) N55 Engine L6 3.0L (t) Gas
2015-2016BMW M235i (F23) N55 Engine L6 3.0L (t) Gas
2015-2016BMW M235i xDrive (F22) N55 Engine L6 3.0L (t) Gas
2016-2016BMW M235i xDrive (F23) N55 Engine L6 3.0L (t) Gas
2013-2015BMW X1 (E84) N55 Engine L6 3.0L (t) Gas
More Information
Weight2.00 lbs
Parent Product TypePerformance Upgrades
Product TypesThrottle Body Spacers
BrandAdvanced Flow Engineering
MakeBMW
ModelX1 Series
Year2013, 2014, 2015