aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26

SKU: AFE46-31009

Throttle Body Spacers

AFE Silver Bullet TBS CARB Approved...

aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26

Afe

aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26

SKU: AFE46-31009

Throttle Body Spacers

AFE Silver Bullet TBS CARB Approved...

IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

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.

Product Overview

Features and Benefits

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

Product Details

Color:	Raw
Description:	Silver Bullet Throttle Body Spacer Kit
Design:	Block Style
Finish:	Natural
Gaskets Included:	Yes
Material:	6061-T6 Aluminum
Part Number:	afe46-31009
Thickness:	0.75
WARNING CA Proposition 65 Message:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Application Summary

BMW 220i/320i/328i/420i/428i (F2X/3X) 12-16 L4-2.0L (t) N20/N26

Part Type

Fuel Injection Throttle Body Spacer

Data: v4.2 - Upd: 2026-10-13 15:20:17

Features

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

Specifications

Product Attributes - UPC: 802959461266
Product Attributes - Brand: AFE Power
Product Attributes - Quantity: Sold individually.
Product Attributes - Emissions: California EO Approved
Product Attributes - Part Type: Throttle Body Spacers
Product Attributes - Product Line: aFe Silver Bullet Throttle Body Spacers
Product Attributes - Spacer Finish: Clear anodized
Product Attributes - Spacer Material: Billet aluminum
Product Attributes - CARB EO Number(s): D-550-11
Product Attributes - Manufacturer's Part Number: 46-31009

Reference Information

Brand Name/s	Afe
StreetFX SKU	afe46-31009
SFX Item ID	4371943
Supplier Item Code	4371943
Manufacturer SKU	46-31009
Manufacturer UPC	802959461266
Alternative References	328i, (F30), L4-2.0L, N20/N26