Mahle MS Piston Set S54 B32 3.2L 87.25mm Bore 91mm Stroke 139mm Rod 21mm Pin-13.1cc 11.6 CR Set of 6

The Mahle MS Piston Set S54 B32 is a high-performance engine component designed for 3.2L inline-six engines. Crafted with precision, these pistons feature an 87.25mm bore, 91mm stroke, and a 139mm connecting rod length. The set includes six pistons with a 21mm pin and a compression ratio of 11.6:1, optimized for durability and consistent power delivery. Constructed from high-quality materials, these pistons are engineered to withstand high combustion pressures and thermal stresses, making them suitable for both street and track applications. Their design ensures improved engine efficiency, reliable performance, and longevity under demanding conditions.

These pistons are intended for use in vehicles equipped with the S54 engine, commonly found in BMW M3 models from the early 2000s. They are a direct replacement for stock pistons, offering a performance upgrade for enthusiasts seeking enhanced power and reliability. Installation involves standard piston replacement procedures, and the set is ideal for rebuilds, performance upgrades, or restoring original specifications. Compatibility includes BMW E46 M3 models with the S54 engine, ensuring precise fitment and optimal engine operation.