Protect your S50 M3 from damaging harmonics and torsional vibrations with a Ross Performance Parts BMW S50B30 (Euro) Metal Jacket Harmonic Damper. Ross Performance Parts Metal Jacket Harmonic Dampers are designed to be “Performance Function, OEM Fit,” maintaining the OEM pulley offsets and diameters in a high-performance unit.

BMW S50 B30 (Euro) Metal Jacket Harmonic Damper dual pulley

• High-performance OEM replacement Metal Jacket Harmonic Damper
• Rated for 800hp
• Maintains OEM pulley diameters, locations and profiles
• Suitable for high-performance street applications
• 4 Bolt Euro style crank hub

BMW S50 B30 (Euro) (Single Pulley) Metal Jacket Harmonic Damper

• High-performance OEM replacement Metal Jacket Harmonic Damper
• Rated for 800hp
• Seamless integration with our dry sump drive adaptor
• Suitable for high-performance street applications
• 4 Bolt Euro style crank hub

General features:

• Designed and manufactured in-house using CMM, 3D modelling, and state of the art CNC technology
• Bonded using our proprietary Ross Tuffbond process incorporating anti-vibration, anti-tear natural rubber
• Laser etched 360° timing marks
• High-quality black finishes
• Utilises grade 10.9 or better hardware
• Complies with SFI spec 18.1