CT Tuning ECU Flash BMW 5 Series 540i 340HP G30 | G31 |G38
$1,000.00
- Description
- Additional information
Description
Transform the performance of your BMW 5 Series 540i G30 | G31 | G38 with a custom ECU flash from CT Tuning. The 3.0L turbocharged engine offers incredible overhead for performance gains, and our software is designed to extract maximum power while maintaining daily drivability and efficiency.
Crank Horsepower Ratings:
- Stock Power: 340hp | 369ft/lbs
- Tuned Power: 440hp | 458ft/lbs
ECU Flash Options:
- Vmax Off – Adjust or remove the factory top speed governor.
- Race Exhaust – Optimized software for vehicles equipped with full race exhaust systems.
- Pops & Bangs – Creates exhaust deceleration pops via ignition delay. Requires full race exhaust system; may impact long-term reliability.
- Sport Display – Calibrates sport displays to reflect increased horsepower and torque.
Why Choose CT Tuning:
- Proven, reliable files used worldwide.
- Expert support for various environments and octane levels.
- Revert to stock at any time.
- Bolt-on mods typically do not require a retune.
How to Flash Your ECU?
Schedule an appointment at our Arizona tuning center for installation. 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:
- Commonly identified as Bosch MG1CS003, MG1CS201, or ZF 8HPxx.
Vehicle Fitment:
- BMW 540i G30 (Sedan)
- BMW 540i G31 (Touring)
- BMW 540i G38 (Long Wheelbase)
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 | 540i |
| Product Year | 2017, 2018, 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.