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BMW S54, BMW Z3 M, BMW Z4 M, E46 M3, Engine, Supertech
Supertech Race Forged Pistons (S54)
Supertech forged piston set for the BMW S54 engine, as found in the E46 M3, late Z3 M and Z4 M.
These pistons are a 0.5mm oversize (87.5mm bore), 12.5:1 design…
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