VIS Motorsport Crank Hub Upgrade – BMW M3 / M4 / M2 Competition S55 (One-Piece / 4-Pin Solution)

For BMW owners with S55 engines, this provides the ultimate solution to the common failure of the stock three-piece crank hub. On the factory unit, the friction plate often slips, leading to timing changes and, in severe cases, catastrophic piston-to-valve contact—resulting in extremely costly repairs, especially on high-power or out-of-warranty vehicles.

The VIS Motorsport One-Piece Crank Hub (4-pin solution) is the result of over a year of development and testing. Its forged one-piece design ensures absolute reliability for both stock engines and heavily modified builds, giving peace of mind and protection against the most common and expensive S55 engine failure.

Benefits:

• One-piece forged construction for maximum reliability
• Eliminates friction plate slip on the stock crank hub
• Suitable for both stock and high-performance engines
• 4-pin design for secure torque transfer
• Over a year of dedicated development and testing

Applications:

• BMW F80 M3 (2015+)
• BMW F82 M4 (2015+)
• BMW F87 M2 Competition (2019+)
• All other models with the S55 engine

Important:

• Installation should be performed by a professional – correct hole sizing and precise positioning are critical for function and longevity.
• Warranty covers part defects only, not engine damage caused by improper installation.