dAHLer BMW Engine Performance Tuning - S68

Unlock Ultimate Performance with dAHLer S68 Tuning Module

Elevate your BMW's twin-turbo S68 V8 engine with the Swiss-developed, German-engineered dAHLer Engine Performance Tuning Module. This advanced plug & play ECU module delivers up to +90 HP at the wheels on a stock vehicle, without faults, errors, or DME removal.

Tested rigorously on the German Autobahn, it provides seamless integration and exhilarating dynamics – this is how your BMW M performance vehicle should feel from the factory.

Key Features & Benefits

• Up to +90 HP power increase (wheel horsepower on stock setup)
• Smartphone app control via free dAHLer Mobile app (iOS/Android, Bluetooth)
• Quick plug & play installation (<1 hour)
• Fully reversible with included adapter/valet plugs
• Retains factory diagnostics and software update compatibility
• Unchanged fuel economy in normal driving
• Compatible with all drive modes
• Not VIN-locked – removable and resellable
• Worldwide 3-year warranty

Compatible BMW Models (S68 Engine)

• BMW G90/G99 M5 (2025+)

Confirm your exact model/year for perfect fitment.

Easy Plug & Play Installation

No tools or ECU flashing required. Connect OEM-style plugs to boost pressure sensors, camshaft sensor, and grounds. Fully reversible in minutes using the included adapter or valet plug (perfect for service visits).

Advanced Smartphone App Control

Wirelessly manage your tune via the intuitive free dAHLer app:

• Switch between 3 performance maps instantly
• Monitor warm-up timer
• Receive free over-the-air firmware updates
• Turn power on/off anytime