Kies-Motorsports APR APR ECU Upgrade - 2.9T EA839 V6 (B9) (RS4/RS5) — Stage 1 Software
  • Kies-Motorsports APR APR ECU Upgrade - 2.9T EA839 V6 (B9) (RS4/RS5) — Stage 1 Software
  • Kies-Motorsports APR APR ECU Upgrade - 2.9T EA839 V6 (B9) (RS4/RS5) — Stage 1 Software
APR ECU Upgrade - 2.9T EA839 V6 (B9) (RS4/RS5) — Stage 1 Software

APR ECU Upgrade - 2.9T EA839 V6 (B9) (RS4/RS5) — Stage 1 Software

Vendor: APR
SKU: ECU-29T-EA839-B9
Availability: In-store installation only
Product type: ECU Tuning
$999.95

In-store installation only

APR tune
$999.95
Kies installation service
$150.00
Tune + installation
$1,149.95

Purchase this APR tune with installation at Kies Motorsports. Online checkout is not available. Contact us with your vehicle and VIN to confirm compatibility, required extras and an appointment. Prices exclude tax; any additional required work is quoted separately.

Request APR installation

APR Stage 1 ECU software for the applications below. Purchased and installed at Kies Motorsports; online standalone purchase is not offered.

Software price shown. Kies installation service: $150 additional. VIN and controller compatibility must be confirmed before scheduling.

Engine specification: EA839. Match this engine and the manufacturer part number; the model name alone is not sufficient.

Application guide

  • 2018–2024 Audi RS5 · NAR
  • 2019–2024 Audi RS5 Sportback · NAR

Confirm VIN, exact engine/turbo specification, ECU box code and software revision with APR before installation. Software is purchased and installed at Kies only; $150 service fee is additional. No UltraLink device, APR Plus, unlock, TCU tune or hardware is included.

Performance results vary. Review the selected calibration, fuel requirements and vehicle condition with your tuner. No horsepower result is guaranteed.

Manufacturer part number: ECU-29T-EA839-B9. Manufacturer application information.

Kies Recommended Products

Recently Viewed Products