The ARP Head Stud Kit is a bolt-on kit that requires no additional modifications

they are essential for unlocking the full potential of high-performance M20 builds

and supports increased horsepower and engine longevity

but heavy demand can still be too much

Powerflex Polyurethane Suspension Bushings, BMW F10 M5 11311703892 The ARP Head Stud KitPowerflex Upgraded Polyurethane Suspension Bushings for BMW F10 M5 Models. Over time, OEM rubber bushings wear from constant movement, heat, and exposure to road debris. This wear and tear can lead to increased play in the suspension components, affecting handling performance and ride quality. Symptoms of worn bushings include increased body roll during cornering, excessive vibration and noise over bumps, and less precise steering feel. Powerflex