Eibach R10393 OE Replacement Front Coil Spring

The Eibach R10393 is a premium OE replacement front coil spring engineered to restore factory ride quality and handling performance. Part of Eibach's Replacement Line (ERL) series, this single spring is designed to meet or exceed original equipment specifications while providing long-term durability backed by over 70 years of spring manufacturing expertise.

Key Features:

• OEM-specification design ensures perfect fitment and consistent performance
• Manufactured to strict OE guidelines (IATF 16949 certified)
• Precision-formed coil spring with constant wire diameter construction
• 11.2mm wire diameter with 354mm compressed length and 5.0 coils
• Premium spring steel construction using advanced CNC winding machines
• Zinc phosphate coating for superior corrosion resistance
• Thorough static and dynamic durability testing
• Developed and produced in USA and Germany

This is a single spring replacement. Eibach recommends replacing suspension springs in pairs per axle for optimal performance and balanced handling. The R10393 crosses to multiple OEM part numbers including BMW 31336767377, 31336767378, and 31336767376, making it a high-quality aftermarket alternative to factory components.