477 HP Stage 1 ECU Software | BMW M240i/M340i/M440i/Z4M40i

Stock - 93 Octane

Stock Wheel HP & TQ: 345 WHP & 380 lb-ft WTQ 
Stock Flywheel HP & TQ: 420 HP & 463 lb-ft TQ 

Tuned - 93 Octane

Tuned Wheel HP & TQ: 391 WHP & 423 lb-ft WTQ 
Tuned Flywheel HP & TQ: 477 HP & 516 lb-ft TQ 
Delta Wheel HP & TQ: 46 WHP 43 lb-ft WTQ 
Delta Flywheel HP & TQ: 57 HP & 52 lb-ft TQ 

• *This can only be installed at an authorized CarBahn dealer! 
• Top speed governor removed 
• CarBahn EVO Intelligent software adapts to various fuel octane levels seamlessly, optimizing performance without compromising safety. It retains existing safety features and adds extra protection as needed