M340i / M440i F3X

Explore XC3 Engineering’s range of BMW M340i and M440i F3X performance parts, suspension upgrades, alignment components and track-focused hardware. The F3X platform is a capable performance base, but fast road, track day and modified use places greater demand on braking performance, chassis control, alignment accuracy and long-term reliability.

This collection includes XC3-engineered components and carefully selected upgrades designed to improve confidence, consistency and durability when driving your M340i or M440i harder. From suspension alignment parts and lockout solutions to brake upgrades, heat management and performance-focused hardware, our BMW M340i / M440i F3X range is built for serious enthusiasts.

Designed with precision fitment, durability and real-world performance in mind, XC3 parts help improve braking, handling and reliability for modified BMW F3X road and track builds.