Wiseco Pistons ASC-04738 Forged Performance Piston for BMW M54B30 3.0L 24V

The Wiseco ASC-04738 is a high-performance forged aluminum piston designed specifically for BMW M54B30 3.0L 24-valve engines. This precision-engineered replacement piston delivers superior strength and durability for street performance and racing applications.

Key Specifications:

• Bore Size: 3.3268 inches (84.5mm)
• Compression Height: 1.114 inches (28.32mm)
• Dome Volume: 25cc dish design
• Piston Pin Diameter: 22mm
• Three-ring design with two compression rings and one oil control ring
• Weight: Approximately 323 grams

Features and Benefits:

• Forged from aerospace-grade aluminum alloy for maximum strength and durability
• Computer-engineered piston skirt profile minimizes cylinder wall friction
• Lightweight forging provides instant throttle response and maximum torque
• Precision CNC-machined to exact tolerances for optimal performance
• Designed for BMW M54B30 engines found in E46 330i, E39 530i, E60 530i, E65 730i, and other 30i models
• Race-proven design trusted by professional engine builders

This listing is for a single piston. Complete piston kits including rings, wrist pins, and circlips are available separately. Wiseco is the only U.S. manufacturer of forged pistons for motorsports applications, using state-of-the-art forging processes and 3D finite element modeling to create the strongest, lightest pistons available.