Eibach R10404 Front Coil Spring OE Replacement

The Eibach R10404 is a premium OE-quality replacement coil spring designed for the front axle of BMW 1 Series (E81/E82/E87/E88) and 3 Series (E90/E91/E92) vehicles with Sport or M Sport packages. This single spring is manufactured to original equipment specifications, providing a direct replacement for worn or damaged factory suspension components.

Key Features:

• Wire diameter: 11.5mm with constant coil diameter design
• Length: 334mm (13.1 inches)
• Manufactured to OE guidelines (IATF 16949 certified)
• Zinc phosphate pre-treatment for corrosion resistance
• Shot-peened and powder-coated for maximum durability
• Pre-set to block height for correct ride height from installation
• Developed and produced in USA and Germany
• Five-year warranty coverage

Part of the Eibach Replacement Line (ERL) program, this spring delivers original equipment quality at an affordable aftermarket price. Each spring undergoes thorough static and dynamic durability testing to ensure reliable performance. Replaces BMW OEM part numbers 31336767374 and 31336767375. Note: Price is for one spring; replacing both front springs simultaneously is recommended for balanced suspension performance.