# Transit Auto K8A-109083 Rear Disc Brake Kit for 2015-2018 BMW 320i xDrive, BMW 428i xDrive, BMW 428i xDrive Gran Coupe

### Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto K8A-109083 is a vehicle-specific disc brake kit designed for compatible applications for 2015-2018 BMW 320i xDrive, 428i xDrive, 428i xDrive Gran Coupe.

### Key Features

-   AmeriBRAKES pads are engineered with vehicle-optimized formulas matching OE specs for optimal braking
-   Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (abrasive friction, high temperature tolerance, quicker compound
-   TQ OE-matched material gives our spring kit the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
-   Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched
-   Exclusive carbon enhanced materials to ensure optimal all-condition performance

### Vehicle Fitment

**Fitment Position:** Rear

**Fitment Summary:** 2015-2018 BMW 320i xDrive, 428i xDrive, 428i xDrive Gran Coupe

**Position:** Rear

-   2017-2018 BMW 320i xDrive — Position: Rear; Note: With 300mm Diameter Rear Rotor
-   2015-2016 BMW 428i xDrive — Position: Rear; Fitment Precision: Coupe; Note: With 300mm Diameter Rear Rotor
-   2015-2016 BMW 428i xDrive Gran Coupe — Position: Rear; Note: With 300mm Diameter Rear Rotor

### 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 K8A-109083.

**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

-   Disc Brake Kit for 320i xDrive
-   Disc Brake Kit for BMW 320i xDrive
-   K8A-109083 fitment
-   Transit Auto Disc Brake Kit
-   Rear Disc Brake Kit
-   2015 BMW 320i xDrive Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2017

BMW

320i xDrive

Rear

With 300mm Diameter Rear Rotor

2018

BMW

320i xDrive

Rear

With 300mm Diameter Rear Rotor

2015

BMW

428i xDrive

Rear

Coupe

With 300mm Diameter Rear Rotor

2016

BMW

428i xDrive

Rear

Coupe

With 300mm Diameter Rear Rotor

2015

BMW

428i xDrive Gran Coupe

Rear

With 300mm Diameter Rear Rotor

2016

BMW

428i xDrive Gran Coupe

Rear

With 300mm Diameter Rear Rotor

## Details

- **Price:** 273.23 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2015 BMW 428i xDrive, 2015 BMW 428i xDrive Gran Coupe, 2016 BMW 428i xDrive, 2016 BMW 428i xDrive Gran Coupe, 2017 BMW 320i xDrive, 2018 BMW 320i xDrive, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, Disc Rotors and Semi-Metallic Brake Pads Kit, K8A-109083, Rear, Transit Auto, Transit Auto K8A-109083, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 273.23 CAD | In stock |

## Images

- Transit Auto K8A-109083 Disc Brake Kit for 2015-2018 BMW 320i xDrive, BMW 428i xDrive, BMW 428i xDrive Gran Coupe - Rear product image

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> Source: [Standard Auto Part](www.standardautopart.com/products/transit-auto-k8a-109083-disc-brake-kit-for-2015-2018-bmw-320i-xdrive-bmw-428i-xdrive-bmw-428i-xdrive-gran-coupe-rear-k8a-109083)
> Updated: 2026-06-18