aFe Silver Bullet Throttle Body Spacer Kit, Part Number 46-31009, for BMW 2.0L N20/N26

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers. Silver Bullet Throttle Body Spacer Kit BMW 220i/320i/328i/420i/428i (F2X/3X) 12-16 L4-2.0L (t) N20/N26

• Precision Machined From T-6061 Billet Aluminum
• Produces Increased HP/Torque/Throttle Response
• Increased Air Volume For Better Performance
• 2 Year Limited Warranty
• Special Helix Design
• No Annoying Whistle
• Fits w/aFe Intakes

Improve airflow and throttle response with the aFe Silver Bullet Throttle Body Spacer Kit, part number 46-31009. Designed for select BMW models equipped with the turbocharged 2.0L N20 or N26 engine, this spacer creates controlled turbulence near the throttle body entrance to help increase air volume and support improved horsepower, torque, throttle response, and fuel efficiency.

Constructed from durable T-6061 billet aluminum, the aFe Silver Bullet uses a precision-machined serrated and helix entry design. This specialized profile promotes airflow turbulence while helping eliminate the annoying whistle commonly associated with helix-only throttle body spacers. The kit is compatible with aFe intake systems and is backed by a 2-year limited warranty.

Brief Description
Throttle body spacer designed to optimize intake airflow on compatible BMW 2.0L turbocharged engines.

Key Product Specifications & Technical Data

• Brand: aFe
• Product Line: Silver Bullet
• Part Number: 46-31009
• Application: Throttle body spacer kit
• Vehicle Platform: Select BMW 2 Series, 3 Series, and 4 Series models
• Engine Compatibility: Turbocharged 2.0L 4-cylinder N20/N26
• Material: T-6061 billet aluminum
• Emissions Information: EPA compliant; CARB Executive Order D-550-11

What's Included in the Box
One aFe Silver Bullet throttle body spacer kit with installation hardware and components required for the listed application.

Fitment
Fits select 2012–2016 BMW 328i and 328i xDrive models, as well as the 2015 BMW 428i Gran Coupe. Verify vehicle configuration, engine, and intake compatibility before installation.

Important Notice
This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm. Review applicable installation instructions and emissions requirements before use.

Features:

• Precision-machined from durable T-6061 billet aluminum for strength and reliable service.
• Special serrated and helix entry design promotes intake-air turbulence and increased air volume.
• Designed to support improved horsepower, torque, throttle response, and fuel efficiency.
• Helix profile helps reduce the annoying whistle associated with some throttle body spacers.
• Compatible with select aFe intake systems.
• Backed by a 2-year limited warranty.

Fitments:
2012 BMW 328i Base
2013 BMW 320i Base
2013 BMW 320i xDrive Base
2013 BMW 328i Base
2013 BMW 328i xDrive Base
2014 BMW 228i Base
2014 BMW 320i Base
2014 BMW 320i xDrive Base
2014 BMW 328i Base
2014 BMW 328i GT xDrive Base
2014 BMW 328i xDrive Base
2014 BMW 428i Base
2014 BMW 428i xDrive Base
2015 BMW 228i Base
2015 BMW 320i Base
2015 BMW 320i xDrive Base
2015 BMW 328i Base
2015 BMW 328i GT xDrive Base
2015 BMW 328i xDrive Base
2015 BMW 428i Base
2015 BMW 428i Gran Coupe Base
2015 BMW 428i xDrive Base
2015 BMW 428i xDrive Gran Coupe Base
2016 BMW 228i Base
2016 BMW 320i Base
2016 BMW 320i xDrive Base
2016 BMW 328i Base
2016 BMW 328i GT xDrive Base
2016 BMW 328i xDrive Base
2016 BMW 428i Base
2016 BMW 428i Gran Coupe Base
2016 BMW 428i xDrive Base
2016 BMW 428i xDrive Gran Coupe Base
2017 BMW 320i Base
2017 BMW 320i xDrive Base
2018 BMW 320i Base
2018 BMW 320i xDrive Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-550-11
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1