BorgWarner

BorgWarner Turbocharger SX K03 Mini Cooper S EP6 HP Replacement - 53039880163

(No reviews yet) Write a Review
SKU:
BWA53039880163
UPC:
4063984016234
MPN:
53039880163
Availability:
Regularly stocked product
MSRP: $2,145.79
$1,367.52
— You save $778.27
Current Stock: 11

Sold Out

Frequently bought together:

Description

What is the specific BMW part number required for the turbine housing outlet gasket when installing this turbocharger?
The BWA Upgrade Turbocharger requires BMW part number 7 589 503 for the turbine housing outlet gasket to ensure proper installation.

Is this turbocharger designed for a direct bolt-on installation?
Yes, this turbocharger is a drop-in replacement, offering an easy DIY install for enhanced engine performance and seamless upgrade.

BorgWarner's BWA Upgrade Turbocharger is a direct replacement for K03-0118, delivering enhanced engine responsiveness and exhilarating acceleration. Featuring a water-cooled bearing housing for superior durability and consistent power delivery, this turbocharger transforms your driving experience. Trust in the proven reliability and K03 performance for your specific BMW application.

What Owners Say

Owners and enthusiasts consistently praise BorgWarner turbochargers for their stellar performance and engineering quality, with the EFR lineup earning particular recognition as reliable, high-performing units in demanding builds. The BWA upgrade turbochargers deliver noticeable power gains and are respected for BorgWarner's decades of OEM and aftermarket expertise. That said, some users have reported premature failure issues, including impeller problems occurring around 12,000 miles in certain applications, which raises questions about longevity in specific installations or use cases. Professional installation is strongly recommended to maximize reliability. Despite isolated concerns, BorgWarner maintains a solid reputation in the forced induction community as a trusted name for serious performance upgrades.

Key Features

  • Replacement for K03-0118 only with turbine housing outlet gasket from BMW with no. 7 589 503
  • Water-cooled bearing housing
  • Turbo Model: K03

Why Choose the BWA Upgrade Turbochargers

Delivers a seamless upgrade for your specific BMW, ensuring perfect fitment and optimal performance.

Achieves superior durability and consistent power delivery through advanced water-cooling technology.

Transforms your driving experience with the proven reliability and performance of the K03 turbo.

Provides enhanced engine responsiveness for exhilarating acceleration and a more engaging drive.

Who Is This For?

Street Performance — 8/10
Enhanced responsiveness and acceleration from K03 turbo.

Engine Performance — 8/10
Proven K03 turbo for enhanced engine performance.

Easy DIY Install — 7/10
Drop-in install type, specific replacement part.

Track / Autocross — 6/10
Improved responsiveness for dynamic driving scenarios.

Drag Racing — 6/10
Acceleration gains beneficial for short bursts.

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

View AllClose

Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
53039880163
Proposition 65:
N
Case Lot Quantity:
1
Category:
Forced Induction>Turbochargers
Universal Fitment:
Y
Install Type:
Drop-In
Product Level:
Mid Range
Street Performance:
8/10
Engine Performance:
8/10
Easy DIY Install:
7/10
Track / Autocross:
6/10
Drag Racing:
6/10
View AllClose