BMW X4 M40I G02 B58 Heat Shielded Downpipes | PW MOTOR w166 making it compatible with pre-turbo

making it compatible with pre-turbo methanol injection upgrades to lower intake temperatures

It integrates seamlessly with other performance upgrades like turbo enhancements

The pipe come with 1/8th NPT ports for methanol injection

makes it an essential upgrade for those looking to maximize the potential of their high-performance engine

Precision-engineered to convert your factory diverter valve into a high-performance blow-off valve

BMW X4 M40I G02 B58 Heat Shielded Downpipes | PW MOTOR w166 making it compatible with pre-turboUpgrade your BMW X4 M40I G02 B58 to new levels of performance with PW MOTOR heat shielded Downpipes. Designed with sophisticated CAD modelling tools to ensure high flow and a perfect fit. With a range of diameters from 4. 5 to 5 inches depending on the application, are replacing the OEM downpipes, Laser cut brackets to fit onto the OEM provided mounting points. Completely assembled and TIG welded with love from experienced hands. Key Features of BMW