NGK Laser Iridium Spark Plugs - Brand New, Never Used Original NGK Laser Iridium Part Number: SILZKBR8D8S – 97506 Quantity: 6 Spark Plugs ✅ Brand new, never installed ✅ Purchased for racing / modification ✅ In original packaging Fits: • BMW M3 (S55 Twin Turbo engine) • BMW M4 (S55 Twin Turbo engine) • BMW M2 Competition (S55 engine)