Knuckle.
A Knuckle used on a steering axle that has no additional components attached. Part has related components that cannot be reused/ reinstalled; bolt, nut. Carrier,. Steering. Strut.
Steering Knuckle
Fits 430i, 440i, M2, M3, M4
M2; Left; Standard. M3, M4; Standard; Left. M4; Standard; Left. RWD, 2014-21, standard, w/M model. RWD, w/M3. W/O AWD, w/M4. W/O AWD, W/O ADAPTIVE M SUSPENSION, 2017-20, M4 coupe.
Steering Knuckle - Repair or Replace
The steering knuckle in your may need to be replaced if it has become damaged or rusty, which will usually be determined during a related repair.