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Wiseco oversized piston for BMW M50B25 is a +0.50mm forged replacement piston sized to 84.50mm bore with an 8.8:1 compression ratio specification, offered as a single piston for engine rebuilds. It provides an OEM‑style replacement option for bore‑up or maintenance projects. Supplied individually, the piston is intended for matched set assembly and reconditioning of M50 2.5L 24V turbo applications where correct sizing and fitment are required.
Wiseco BMW M50B25 2.5L 24V Turbo 84.50MM Bore +0.50 Oversized 8.8:1 - Single Piston
