4000 SERIES HD variant features a smooth OE style rotor finish, popular for drivers looking for the benefits of a 4000 Series rotor but requiring an OE style look, such as controlled race divisions.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2021	BMW	430i	Base
2018	BMW	530e	Base
2018	BMW	530e xDrive	Base
2017	BMW	530i	Base
2017-2018	BMW	530i xDrive	Base
2019,2021	BMW	540i	Base
2019-2020	BMW	540i xDrive	Base
2019	BMW	X3	M40i
2019	BMW	X3	sDrive30i
2019	BMW	X3	xDrive30i
2022	BMW	X4	M
2022	BMW	X4	M Competition
2022	BMW	X4	M40i
2022	BMW	X4	xDrive30i
2020	BMW	Z4	M40i First Edition
2020	BMW	Z4	sDrive M40i
2020	BMW	Z4	sDrive30i