BMW X3 M40i/X4 M40i 487 HP Stage 1 Performance Controller finish-forged-carbon Full Double-Sided Carbon Construction: Both

Full Double-Sided Carbon Construction: Both inner and outer panels are pre-preg carbon — no fiberglass fillers — ensuring OEM rigidity with dramatic weight savings

Stock- 93 Octane

CNC machined

C6 Corvette paddle shift steering wheel core

and premium carbon fiber construction into a single

BMW X3 M40i/X4 M40i 487 HP Stage 1 Performance Controller finish-forged-carbon Full Double-Sided Carbon Construction: BothFuel Type Calculated Flywheel Power Measured Wheel Power 93 Octane OEM Stock: 436HP 449TQ OEM Stock: 367WHP 377WTQ Tuned: 471HP 495TQ Tuned: 396WHP 416WTQ Delta: +35HP +46TQ Delta: +29WHP +39WTQ 100 Octane OEM Stock: 436HP 449TQ OEM Stock: 367WHP 377WTQ Tuned: 487HP 504TQ Tuned: 409WHP 423WTQ Delta: +51HP +55TQ Delta: +42WHP +46WTQ CarBahn Performance Controller (CPC): The CPC is a plug and play ECU that increases boost pressure in turbocharged cars