The Supertech Inconel exhaust valve for the BMW M3 S54 is a single replacement valve provided as a drop-ship item. Made from Inconel, it is intended for use in S54 engine valve-train service or rebuilds where a single exhaust valve is required. The single-item supply supports targeted repairs without forcing full-set purchases.
Supertech BMW M3 S54 Inconel Exhaust Valve - Single (Drop Ship Only)