MAHLE 0811502-AM BMW Cast Piston with Rings Single Piece Otto Cycle Engine

The MAHLE 0811502-AM is a cast replacement piston with rings designed for BMW gasoline (Otto-cycle) engines. MAHLE is one of the world's leading OEM and aftermarket piston manufacturers, supplying pistons to major automotive brands including BMW directly from the factory. This single-piece cast piston meets or exceeds original equipment specifications, ensuring reliable performance and a proper fit.

Key Features:

• OEM-quality cast piston engineered to BMW factory tolerances
• Includes piston rings — no need to source rings separately
• Single-piece construction for strength and dimensional stability
• Otto-cycle (gasoline engine) design optimized for spark-ignition combustion dynamics
• Precision-machined for accurate compression height, pin bore, and ring groove dimensions
• MAHLE OEM heritage — MAHLE supplies pistons to BMW as original equipment

MAHLE pistons are manufactured using advanced casting processes and high-quality aluminum alloys, providing excellent thermal conductivity and wear resistance. This piston is a direct replacement suitable for engine rebuilds, overhauls, or repair of damaged cylinder bores requiring a standard or specified oversize piston.