- Greater Horsepower

Lightweight aluminum backplate (GTX42 uses steel)

you will need to change the engine oil cooler lines and O-Rings to the later style

and M54B30 engines

BimmerWorld Floor-Mount Seat Adapters, BMW F3X 11517527910 - Greater HorsepowerFit either driver or passenger side. Safety First: BimmerWorld's Billet Aluminum Seat Floor Mount Adapters were engineered using FEA to model the unit as it would be installed in a car with a seat attached, then applied actual loads as though they were distributed over a set of imaginary seat mounts, simulating various forces that would be induced under cornering, acceleration, and braking. They also performed loading under a crash scenario, using