# Kobra KBR-5070539 Main Drive Serpentine Belt for 2007-2017 BMW X5, BMW 750Li and Select Vehicles

### Performance Overview

Kobra is the definitive name in automatic tensioner, belt and pulley manufacturing. Renowned for its exclusive V-Strong™ EPDM compound formula and Automatic True-Tension™ (ATT) technology, Kobra offers the only truly innovative belts and tensioners on the market. With an ever-expanding distribution network in North America, Kobra has solidified its position as a global leader in the industry. We understand that quality and durability are paramount for replacement parts. Our cutting-edge manufacturing processes, combined with state-of-the-art technology, ensure that every Kobra product exceeds the highest industry standards. When you choose Kobra, you can expect unparalleled durability, exceptional quality, and unrivaled performance. Our products are meticulously tested to withstand the toughest conditions, delivering longevity and peace of mind to our customers. Trust Kobra to keep you moving.This serpentine Belt is listed for 2007-2017 Smart Fortwo, BMW 750i, BMW 750Li, BMW X5. Please review the fitment chart before ordering.

### Key Features

-   Designed as a direct replacement serpentine Belt for compatible vehicle applications
-   Built for dependable daily driving performance and consistent fitment
-   Application-specific design helps support proper installation and function

### Package include:

-   1x Main Drive Serpentine Belt

### Vehicle Fitment

**Fitment Summary:** 2007-2017 Smart Fortwo, BMW 750i, BMW 750Li, BMW X5

**Position:** Main Drive

-   2016-2017 Smart Fortwo — Position: Main Drive; Fitment Precision: 0.9L
-   2011-2012 BMW 750i — Position: Main Drive; Fitment Precision: FULL HYBRID EV-GAS (FHEV) engine
-   2011-2012 BMW 750Li — Position: Main Drive; Fitment Precision: FULL HYBRID EV-GAS (FHEV) engine
-   2009-2010 BMW X5 — Position: Main Drive; Fitment Precision: 3.0L and with GAS engine; Note: With Rear Air Conditioning
-   2007-2008 BMW X5 — Position: Main Drive; Fitment Precision: 3.0L; Note: With Rear Air Conditioning

### FAQ

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

**What part number is this?**  
The listed part number is KBR-5070539.

**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

-   serpentine Belt for Smart Fortwo
-   2007-2017 Smart Fortwo serpentine Belt
-   KBR-5070539 fitment
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-   serpentine Belt for BMW 750i

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2016

Smart

Fortwo

Main Drive

0.9L

2017

Smart

Fortwo

Main Drive

0.9L

2011

BMW

750i

Main Drive

FULL HYBRID EV-GAS (FHEV) engine

2012

BMW

750i

Main Drive

FULL HYBRID EV-GAS (FHEV) engine

2011

BMW

750Li

Main Drive

FULL HYBRID EV-GAS (FHEV) engine

2012

BMW

750Li

Main Drive

FULL HYBRID EV-GAS (FHEV) engine

2009

BMW

X5

Main Drive

3.0L and with GAS engine

With Rear Air Conditioning

2010

BMW

X5

Main Drive

3.0L and with GAS engine

With Rear Air Conditioning

2007

BMW

X5

Main Drive

3.0L

With Rear Air Conditioning

2008

BMW

X5

Main Drive

3.0L

With Rear Air Conditioning

## Details

- **Price:** 21.66 CAD
- **Vendor:** Kobra
- **Type:** Serpentine Belt
- **Tags:** 2007 BMW X5, 2007-2008 BMW X5, 2007-2017 BMW, 2008 BMW X5, 2009 BMW X5, 2009-2010 BMW X5, 2010 BMW X5, 2011 BMW 750i, 2011 BMW 750Li, 2011-2012 BMW 750i, 2011-2012 BMW 750Li, 2012 BMW 750i, 2012 BMW 750Li, 2016 Smart Fortwo, 2016-2017 Smart Fortwo, 2017 Smart Fortwo, 4070540, 5070539, 539K7, 7PK1370, AI Readable Fitment, belt, BMW 750i, BMW 750Li, BMW X5, K070539, KBR-5070539, Kobra, Kobra KBR-5070539 Serpentine Belt, Kobra Serpentine Belt, Main Drive, Main Drive Serpentine Belt for 2007 BMW X5, replacement auto part, replacement KBR-5070539 Serpentine Belt, Serpentine Belt, Serpentine Belt fitment, Serpentine Belt for BMW, Smart Fortwo, Smart select vehicles, Smart select vehicles Serpentine Belt, Timing belt, vehicle fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 21.66 CAD | In stock |

## Images

- Kobra_Serpentine Belt_KBR-5070539

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/main-drive-serpentine-belt-for-bmw-x5-smart-fortwo-750li-750i-kbr-5070539)
> Updated: 2026-06-09