





























aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) - 46-31009
Brand:
aFeCategory:
Air Intake SystemsMPN#: 46-31009
- Regular price
- $137.00
- Regular price
-
- Sale price
- $137.00
- Unit price
- per

Aftermarket Performance Sales Tech
Need help? Verify fitment, get personalized product recommendations, and optimize your build with a sales tech.
Call us: 1-866-266-1941
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
aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26. Precision Machined From T-6061 Billet Aluminum. Produces Increased HP/Torque/Throttle Response. Increased Air Volume For Better Performance. Silver Bullet Throttle Body Spacer Kit. Fuel Injection Throttle Body Spacer. Silver Bullet Throttle Body Spacer. 2 Year Limited Warranty. Throttle Body Spacer. Special Helix Design. No Annoying Whistle. Fits w/aFe Intakes. TBdySpacer
Air intake systems are a common first mod to many project cars. They are quick and simple to install while also enhancing the looks of your engine bay, the sounds of your engine, and the performance of your vehicle.
CARB EO: D-550-11
Warning: This product listing contains generic images
WARNING: Cancer & Reproductive Harm. For more information, go to www.P65Warnings.ca.gov
Installation Instructions
advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems, throttle body spacers, and more. aFe is passionate about providing the most compelling, innovative, and highest performing products that are designed, built and tested in the USA. aFe was founded in 1999 and has headquarters and manufacturing facilities in Corona, California, USA.
- 2012 BMW 328i Base
- 2013 BMW 328i Base
- 2013 BMW 328i xDrive Base
- 2013 BMW 320i Base
- 2013 BMW 320i xDrive Base ( door , HP Cylinder L, speed )
- 2014 BMW 428i Base
- 2014 BMW 428i xDrive Base
- 2014 BMW 328i xDrive Base
- 2014 BMW 320i Base
- 2014 BMW 320i xDrive Base ( door , HP Cylinder L, speed )
- 2014 BMW 328i Base
- 2014 BMW 328i GT xDrive Base ( door , HP Cylinder L, speed )
- 2014 BMW 228i Base
- 2015 BMW 428i Base
- 2015 BMW 428i xDrive Base
- 2015 BMW 428i Gran Coupe Base
- 2015 BMW 428i xDrive Gran Coupe Base
- 2015 BMW 320i Base
- 2015 BMW 320i xDrive Base ( door , HP Cylinder L, speed )
- 2015 BMW 228i Base
- 2015 BMW 328i Base
- 2015 BMW 328i xDrive Base
- 2015 BMW 328i GT xDrive Base
- 2016 BMW 428i Base
- 2016 BMW 428i Gran Coupe Base
- 2016 BMW 428i xDrive Base
- 2016 BMW 428i xDrive Gran Coupe Base
- 2016 BMW 228i Base
- 2016 BMW 320i Base
- 2016 BMW 320i xDrive Base ( door , HP Cylinder L, speed )
- 2016 BMW 328i Base
- 2016 BMW 328i xDrive Base
- 2016 BMW 328i GT xDrive Base
- 2017 BMW 320i Base
- 2017 BMW 320i xDrive Base ( door , HP Cylinder L, speed )
- 2018 BMW 320i Base
- 2018 BMW 320i xDrive Base ( door , HP Cylinder L, speed )
















Let us help find the wheel setup right for your vehicle!
Do you want to find matching rear wheels?

<Beta V2.0>
Find the right wheels for your ride!
Find the right wheels for your ride!
With thousands of wheel options in our catalog, let the team at throtl help you find the right wheels that fit both your budget and your car.
Vehicle
Size & Brand

Let us help find the wheel setup right for your vehicle!
Select Your Vehicle
What are you shopping for?
(EDIT)
Square?
A square wheel setup refers to having all four wheels with the same dimensions
Staggered?
You have different-sized wheels on the front and the back
Shopping for all four wheels today?
Select Size & Brand

aFe Silver Bullet Throttle Body Spacer 12-...
- Regular price
- $137.00
- Regular price
-
- Sale price
- $137.00
- Unit price
- per
