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MAHLE OE piston and ring set for the BMW M54 B30 (306S3) includes six cast pistons with rings sized for an 84.5mm bore and 48.3mm length. MAHLE pistons deliver OE-style features such as compensated ring grooves for proper ring loading and oil control, and expansion-controlled designs to maintain small fitting clearances that reduce noise, wear and emissions in compatible BMW applications.
Mahle OE BMW M54 B30 (306S3) Piston w/ Ring Set - 84.5mm Bore 48.3mm Length (Set of 6)
