447 HP Stage 1 ECU Software | BMW X3 M40i / X4 M40i trim-gt350 Helps reduce trapped heat during

Helps reduce trapped heat during spirited or performance driving

high-gloss Carbon Fiber Fender Cowl Covers

Clean integration with factory hood and bumper

Built for More Power

For best performance use heat exchanger P/N CBG8X-2001 or purchase power package 1

447 HP Stage 1 ECU Software | BMW X3 M40i / X4 M40i trim-gt350 Helps reduce trapped heat duringStock 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