BMW S58 Custom Bench Flash Tuning (G80 M3, G82 M4, X3M, X4M – 2020–2024)

Our custom bench-flash calibrations for the BMW S58 3.0L twin-turbo inline-6 unleash the full capability of BMW’s latest M engine. Unlike generic flash maps, our WinOLS-developed calibrations provide binary-level control over fueling, ignition, boost, VANOS, torque management, and load strategies — ensuring precise, safe, and powerful results tailored to your build. Whether you’re running a stock G80 M3 or a fully modified G82 M4 with upgraded turbos and fueling, our bench tuning delivers unmatched refinement and performance.

Key Features

• Engine Coverage – BMW S58 3.0L Twin-Turbo I6 (2020–2024)

  • BMW M3 (G80 Sedan)

  • BMW M4 (G82 Coupe / G83 Convertible)

  • BMW X3M (F97)

  • BMW X4M (F98)

• Bench Flashing Service – ECU tuning performed directly via bench (DME removed), allowing complete access to all critical maps

• Custom Calibration via WinOLS – Binary-level control of fueling, ignition, boost targets, torque limits, VANOS, and knock protection

• Performance Optimization – Tailored calibrations for intakes, intercoolers, downpipes, exhaust upgrades, turbo swaps, fueling enhancements, meth kits, and flex-fuel/E85 conversions

• Transmission Support – Optional tuning for ZF8HP automatic, optimizing shift speed, torque management, and drivability

Benefits

• Significant horsepower and torque gains across the powerband

• Faster throttle response and reduced turbo lag

• Optimized fueling for pump gas, race fuel, or full flex-fuel/E85

• Knock-safe ignition strategies for safe, repeatable power

• OEM-like smoothness under daily driving with aggressive performance on demand

Compatibility

Custom bench flash tuning available for:

• 2020–2024 BMW M3 (G80, S58 3.0L TT I6)

• 2021–2024 BMW M4 (G82 Coupe / G83 Convertible, S58)

• 2020–2024 BMW X3M (F97, S58)

• 2020–2024 BMW X4M (F98, S58)

Process

1. Remove your ECU (DME) and ship it to us.

2. We perform a full bench flash using professional-grade tools.

3. A custom calibration is built in WinOLS for your modifications and goals.

4. Your ECU is returned, ready to reinstall and enjoy.

Professional Assurance

Every S58 calibration is written from scratch in WinOLS — never reused OTS maps. From daily-driven G80 M3 builds to 900+ HP big-turbo G82 M4 projects, our bench flash tuning delivers precision, reliability, and performance trusted by BMW enthusiasts worldwide.

Meta Description (SEO)

Custom BMW S58 tuning via bench flash and WinOLS. Available for 2020–2024 BMW M3 (G80), M4 (G82/G83), X3M, and X4M. Unlock horsepower, torque, throttle response, and drivability with safe, reliable tuning.