# aFe Power 46-31002 Silver Bullet- Throttle Body Spacers for 2008–2010 BMW 135I

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.

**Key Features:**

-   Silver Bullet Throttle Body Spacer
-   Billet Aluminum
-   Serrated/Helix Combination
-   Use w/Intake System PN\[51-11472/54-11472\]

aFe was found in April, 1999. They have a team of experienced engineers that produce high flow, high performance air filters & intake systems for the automotive industry. They also manufacture exhaust systems, intercoolers, turbochargers, programmers, differential covers, transmission pans and throttle body spacers for late model cars, trucks, SUV's.

Brand: aFe Power  
Part Number: 46-31002

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2008

BMW

135I

Trim: BASE; Engine: 3.0L

2009

BMW

135I

Trim: BASE; Engine: 3.0L

2010

BMW

135I

Trim: BASE; Engine: 3.0L

2007

BMW

335I

Trim: BASE; Engine: 3.0L

2008

BMW

335I

Trim: BASE; Engine: 3.0L

2009

BMW

335I

Trim: BASE; Engine: 3.0L

2010

BMW

335I

Trim: BASE; Engine: 3.0L

2009

BMW

335I XDRIVE

Trim: BASE; Engine: 3.0L

2010

BMW

335I XDRIVE

Trim: BASE; Engine: 3.0L

2008

BMW

335XI

Trim: BASE; Engine: 3.0L

2008

BMW

535I

Trim: BASE; Engine: 3.0L

2009

BMW

535I

Trim: BASE; Engine: 3.0L

2010

BMW

535I

Trim: BASE; Engine: 3.0L

2009

BMW

535I XDRIVE

Trim: BASE; Engine: 3.0L

2010

BMW

535I XDRIVE

Trim: BASE; Engine: 3.0L

2008

BMW

535XI

Trim: BASE; Engine: 3.0L

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase.

**What part number is this?**  
The listed part number is 46-31002.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Silver Bullet- Throttle Body Spacers for BMW 135I
-   46-31002 fitment
-   aFe Power Silver Bullet- Throttle Body Spacers
-   2008–2010 BMW 135I Silver Bullet- Throttle Body Spacers

## Details

- **Price:** 362.53 CAD
- **Vendor:** aFe Power
- **Type:** Silver Bullet- Throttle Body Spacers
- **Tags:** 2008–2010 BMW 135I, 46-31002, aFe Power, Cold Air Intake, Exhaust, Manifold, Performance Intake, Silver Bullet- Throttle Body Spacers, Throttle Body, Transmission

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 362.53 CAD | In stock |

## Images

- aFe Power 46-31002 Silver Bullet- Throttle Body Spacers for 2008–2010 BMW 135I

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-power-46-31002-silver-bullet-throttle-body-spacers)
> Updated: 2026-10-16