BMW B58 Custom Bench Flash Tuning (M240i, M340i, Supra A90 & More – 2016–2023) Our custom bench-flash calibrations for the BMW B58 3.0L single-turbo inline-6 unlock the true performance potential...
BMW B58 Custom Bench Flash Tuning (M240i, M340i, Supra A90 & More – 2016–2023)
Our custom bench-flash calibrations for the BMW B58 3.0L single-turbo inline-6 unlock the true performance potential of this award-winning engine. Using WinOLS for binary-level editing, we provide complete control over fueling, ignition, boost, torque management, and VANOS strategies — ensuring safe, reliable, and powerful results tailored to your exact build. Whether you drive a stock M240i, a bolt-on M340i, or a turbo-upgraded Supra A90, our bench flash tuning delivers unmatched precision and performance.
Key Features
Engine Coverage – BMW B58 3.0L Turbo I6 (2016–2023, all variants)
Bench Flashing Service – ECU tuning performed via bench (DME removed), providing full access for the safest and most complete calibration work
Custom Calibration via WinOLS – True binary-level tuning of boost targets, fueling, VANOS, torque limits, ignition, and load strategies
Performance Optimization – Tailored for intakes, intercoolers, downpipes, upgraded turbos, fueling upgrades, meth kits, and full flex-fuel/E85 setups
Transmission Support – Optional tuning for ZF8HP automatic and ZF sport transmissions, refining torque limits, shift speed, and drivability
Benefits
Substantial horsepower and torque gains across the powerband
Sharper throttle response with reduced turbo lag
Optimized fueling for pump gas, race fuel, or flex-fuel/E85
Knock-safe ignition and reliability-focused torque management
OEM-like drivability with smooth daily manners and aggressive power when demanded
Compatibility
Custom bench flash tuning available for all BMW and Toyota B58 platforms, including:
2016–2021 BMW M140i / M240i (F-Series)
2016–2019 BMW 340i / 440i (F-Series)
2019–2023 BMW M340i / M440i (G-Series)
2017–2023 BMW 540i / 740i / X3/X4/X5/X6 B58 models
2019–2023 Toyota Supra A90 / A91 (B58 3.0L Turbo)
Process
Remove your ECU (DME) and ship it to us.
We bench flash your ECU with professional-grade tools.
A custom calibration is built in WinOLS based on your modifications and goals.
Your ECU is returned, ready to install and drive.
Professional Assurance
Every B58 calibration is written from scratch in WinOLS, ensuring precision and reliability. From lightly modified daily drivers to big turbo B58 builds making four-digit horsepower, our custom bench flash tuning ensures safe power, OEM drivability, and unmatched results.
Meta Description (SEO)
Custom BMW B58 tuning via bench flash and WinOLS. Available for BMW M240i, M340i, Supra A90, and all B58-powered models. Unlock horsepower, torque, throttle response, and drivability with safe, reliable custom tuning.
