B58 Turbo Inlet For BMW M240i, 340i, 440i (Gen1 F Chassis) c43 53% efficiency rating

53% efficiency rating

Power Gain With RS (+72hp/+68tq)

This is ideal for customers having a shop perform the installation

Flange Type: Oval

Also eliminates the need for the in cabin JB4 OBDII cable allowing full CANbus function from the Active Spoiler CANbus connection point

B58 Turbo Inlet For BMW M240i, 340i, 440i (Gen1 F Chassis) c43 53% efficiency ratingThe ARM B58 Turbo Inlet significantly enhances turbo performance for the Gen 1 B58 engine by increasing the turbo inlet diameter by 25% compared to the factory unit. A standout feature of the ARM B58 Inlet is its 2. 5 inside diameter at the turbo snoutsubstantially larger than the OEM's 2. 0 diameterresulting in a substantial improvement in airflow. By eliminating the factory sound mufflers, the ARM Turbo Inlet reduces air turbulence and promotes a