# Genius KG-100641 Disc Brake Rotor for 2011-2018 BMW X4, BMW X3 - Rear

### Performance Overview

Genius has been the undisputed leader in coated rotor manufacturing for the last 15 years thanks to it's groundbreaking lab engineered G-Cast™ iron cast and G-Coat™ dipped conative. Genius in-house engineered managed to develop the best combination of iron cast and coating to produce unmatched protection that adhere and stay durable for the lifetime of the rotor, without compromising on the rotor braking performan...

### Key Features

-   Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength, stability, durability)
-   Exclusive G-Coat™ double-layer (8µm) protective coating provides rust protection on 100% of the non-braking surface
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions
-   Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in
-   Tested for maximum tolerance to voluminous amount of constant thermal cycles

### Package include:

-   2x Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 2011-2018 BMW X4, BMW X3

**Position:** Rear

-   2015-2018 BMW X4 — Position: Rear
-   2011-2017 BMW X3 — Position: Rear

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. This listing includes fitment data for 2011-2018 BMW X4, BMW X3.

**What part number is this?**  
The listed part number is KG-100641.

**Is this product designed for direct replacement?**  
Yes. This Disc Brake Rotor 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

-   Disc Brake Rotor for BMW X4
-   KG-100641 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2011-2018 BMW X4 Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2015

BMW

X4

Rear

2016

BMW

X4

Rear

2017

BMW

X4

Rear

2018

BMW

X4

Rear

2011

BMW

X3

Rear

2012

BMW

X3

Rear

2013

BMW

X3

Rear

2014

BMW

X3

Rear

2015

BMW

X3

Rear

2016

BMW

X3

Rear

2017

BMW

X3

Rear

## Details

- **Price:** 122.31 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2011-2018 BMW X4, Automotive Parts, BMW X4, Brake Parts, Disc Brake Rotor, Genius, KG-100641, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 122.31 CAD | In stock |

## Images

- Genius KG-100641 Disc Brake Rotor for 2011-2018 BMW X4, BMW X3 - Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100641-disc-brake-rotor-2011-2018-bmw-x4)
> Updated: 2026-06-10