# Bilstein 35-115939 B8 Sport Series 36mm Monotube Strut Assembly for 2008-2013 Bmw 128I and More

### Performance Overview

Bilstein B8 SP Shocks and Struts have been engineered to push your vehicle's suspension to its performance peak! These shocks are well-suited for use with lowered springs, stiffer anti-sway bars, or other suspension upgrades.

### Key Features

-   B8 Series SP Suspension Strut Assembly Dropped Height Depends On Lowering Spring Used

### Vehicle Fitment

-   2008 Bmw 128I (Note: Base)
-   2009 Bmw 128I (Note: Base)
-   2010 Bmw 128I (Note: Base)
-   2011 Bmw 128I (Note: Base)
-   2012 Bmw 128I (Note: Base)
-   2013 Bmw 128I (Note: Base)
-   2008 Bmw 135I (Note: Base)
-   2009 Bmw 135I (Note: Base)

### FAQ

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

**What part number is this?**  
The listed part number is 35-115939.

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

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

### Common Searches

-   B8 Sport Series 36mm Monotube Strut Assembly for Bmw 128I
-   35-115939 fitment
-   Bilstein B8 Sport Series 36mm Monotube Strut Assembly
-   2008 Bmw 128I B8 Sport Series 36mm Monotube Strut Assembly

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2008

Bmw

128I

Base

2009

Bmw

128I

Base

2010

Bmw

128I

Base

2011

Bmw

128I

Base

2012

Bmw

128I

Base

2013

Bmw

128I

Base

2008

Bmw

135I

Base

2009

Bmw

135I

Base

2010

Bmw

135I

Base

2011

Bmw

135I

Base

2012

Bmw

135I

Base

2013

Bmw

135I

Base

2013

Bmw

135Is

Base

## Details

- **Price:** 378.44 CAD
- **Vendor:** Bilstein
- **Type:** B8 Sport Series 36mm Monotube Strut Assembly
- **Tags:** 2008 Bmw 128I, 2008 Bmw 135I, 2009 Bmw 128I, 2009 Bmw 135I, 2010 Bmw 128I, 2010 Bmw 135I, 2011 Bmw 128I, 2011 Bmw 135I, 2012 Bmw 128I, 2012 Bmw 135I, 2013 Bmw 128I, 2013 Bmw 135I, 2013 Bmw 135Is, 35-115939, Automotive Parts, B8 Sport Series 36mm Monotube Strut Assembly, Bilstein, Bilstein Suspension, Direct Replacement, Performance Suspension

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 378.44 CAD | In stock |

## Images

- Bilstein 35-115939 B8 Sport Series 36mm Monotube Strut Assembly for 2008-2013 Bmw 128I and More

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> Source: [Standard Auto Part](www.standardautopart.com/products/bilstein-bmw-128i-strut-assembly-35-115939)
> Updated: 2026-06-15