CT Tuning ECU Flash BMW M8 G15 591hp

$1,500.00

SKU: CTT-M8-27828 Category: Tags: ,

CT Tuning ECU Flash BMW M8 G15 591hp

$1,500.00

In stock

Description

Experience a dramatic performance transformation for your BMW M8 G15 with a custom ECU Flash from CT Tuning. While the 591hp 4.4L bi-turbo V8 is a powerhouse, factory limitations leave significant performance on the table. Our software taps into these reserves to deliver a dramatic increase in power and refinement.

Crank Horsepower Ratings:

  • Stock Power: 591hp | 553ft/lbs
  • Tuned Power: 700hp | 630ft/lbs

ECU Flash Options:

  • Vmax Off: Adjusts or removes the top speed limiter.
  • Race Exhaust: Optimized for vehicles with full race exhaust systems.
  • Pops & Bangs: Creates exhaust crackles on deceleration; Requires full race exhaust system.
  • Sport Display: Updates factory gauges to reflect increased power figures.
  • Feature Availability: Final options depend on specific factory software version.

Why Choose CT Tuning

  • World-class tuning files tested for safety and reliability.
  • Improved power delivery without needing retunes for basic bolt-ons.
  • Adaptive software for different fuel octanes and environments.
  • Most flashes are fully reversible to stock.

How to Flash Your ECU?

This process requires a bench flash. Remove the ECU and ship it to our facility. We will back up your software, apply the tune, and return the unit via your chosen shipping method.

ECU Reference:

This ECU typically identifies as Bosch MG1CS201.

Vehicle Fitment:

  • BMW M8 G15 4.4L Bi-Turbo V8

Product Notes:

  • Power ratings are converted from PS/NM and may vary slightly from advertised figures.
  • Tuning must be used within 6 months of purchase.
  • Support is available for 30 days after file delivery.
  • Future modifications if supported or OEM software updates require a $350 file service fee.
  • No refunds once software is issued or locked to a vehicle.
  • Emissions readiness is not forced; original files are provided for return to stock.

Additional information

Weight 5 lbs
Dimensions 13.25 × 11.5 × 2.38 in
Make

BMW

Model

850i

Product Year

2019, 2020, 2021, 2022

CT Tuning software is purchased with the intention of using these products for Racing Competition Only. As the authorized purchasing party, you understand that some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. As the buyer, you take responsibility to ensure that any modifications or upgrades that have been done to your vehicle conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. To make a purchase, you will be required to sign a waiver acknowledging that these products are intended for Racing Competition Only and not meant to be used on a road car.

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