Win this M240i!
Every $50 spent = 1 entry*

No purchase necessary to enter or win. See official rules.

Win this M240i!
Every $50 spent = 1 entry*

No purchase necessary to enter or win. See official rules.

K04 Turbocharger With ECS Install Kit & TT Injectors

ECS Hardware only kit, K04 specific software is required for correct operation
Mfg Part #
ECS Part #
Assembled By ECS
$1757.12 (Sale - Save 5%)
Free Shipping Free Shipping
Availability: Expected Ship Date: Mar 18, 2022
Does this fit my vehicle?

Product Details

This ECS Hardware only kit was designed for customers that have a local APR distributor that can possibly install this ECS hardware kit &/or burn the specific APR K04 software that is required for this upgrade.

Brand new Borg Warner K04 turbocharger with all the necessary gaskets hardware & Fueling to install it.The Borgwarner KO4 is a straight bolt on turbo that can be used for multiple different reasons.

Flows more volume than the standard K03

Can sustain high boost pressures than the K03

Great replacement turbo if your K03 has gone bad

This ECS K04 hardware only kit comes with the following components:

  • Borg Warner K04 turbocharger
  • Bosch TT 225hp upgraded injectors
  • O-Ring from intake tract to turbo
  • All related copper seals
  • Oil return like gasket (1)
  • Exhaust gasket from manifold to turbo
  • Exhaust gasket from turbo to catalytic converter
  • Studs for catalytic converter mounting (3)
  • OEM turbo mounting bolts (3)

*ECS Tuning Official Policy regarding Borg Warner KKK Turbocharger Warranty Claims*

To be eligible for warranty consideration, Borg Warner has stipulated that KKK turbochargers (or turbocharger kits) must be installed by a professional repair facility.

  • Warranty claims must be accompanied by a receipt from a professional repair facility showing the date and vehicle mileage when the turbocharger was originally installed.

  • An additional receipt from a professional repair facility must accompany the warranty claim indicating:

  1. Date and mileage at which the turbocharger failed

  2. Reasons for turbocharger failure

  3. Proposed repairs intended to correct the cause of the failure (if any).

    Borg Warner will, at its discretion and with proper documentation, replace a turbocharger that has failed due to defects in materials and/or original workmanship.

    All associated labor charges for diagnosis and repair are the responsibility of the vehicle owner.

Cross Reference
  • Turbo

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi B6 A4 FWD 1.8T
Audi B6 A4 Quattro 1.8T
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.


ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings