447 HP Stage 1 ECU Software | BMW X3 M40i / X4 M40i part-category-grille Perfect for daily drivers and

Perfect for daily drivers and show builds alike

Customization Options:

Please contact us before making a purchase if you have any questions

These are designed to work well with our Coilover kits

margin:0 0 40px

447 HP Stage 1 ECU Software | BMW X3 M40i / X4 M40i part-category-grille Perfect for daily drivers andStock 93 Octane Stock Wheel HP & TQ: 328 WHP & 358 lb ft WTQ Stock Flywheel HP & TQ: 401 HP & 436 lb ft TQ Tuned 93 Octane Tuned Wheel HP & TQ: 367 WHP & 407 lb ft WTQ Tuned Flywheel HP & TQ: 447 HP & 496 lb ft TQ Delta Wheel HP & TQ: 38 WHP 49 lb ft WTQ Delta Flywheel HP & TQ: 46 HP & 60 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