Bilstein 36-161379 Coil Spring - Rear

Bilstein B3 OE Replacement Rear Coil Spring

The Bilstein B3 OE Replacement coil spring restores factory ride height, spring rate, and suspension geometry for the rear of select BMW 3 Series models. Built to OE dimensions and design type, this spring is a direct replacement for worn or sagging original equipment.

Compatible with 2007-2013 BMW 328i rear and 2007-2013 BMW 335i rear, this Bilstein coil spring supports standard suspension applications in the heavy duty version noted for these vehicles. Part number 36-161379 is finished in black powder coat for a clean, corrosion-resistant appearance.

Key Features

• Bilstein B3 OE Replacement series
• Rear coil spring for select BMW 328i and BMW 335i models
• Manufactured to OE dimensions and spring rates
• Restores factory suspension function and safety specifications
• Black powder coat finish
• Direct replacement for standard suspension applications

Product Details

The Bilstein B3 OE Replacement line is built for drivers who want suspension parts that match original factory specifications rather than altering vehicle behavior. This rear coil spring is engineered to replicate the OE spring rate, dimensions, and design type, helping maintain the ride quality and load support expected from the original suspension setup. For BMW 328i rear spring replacement and BMW 335i rear spring replacement applications, part number 36-161379 provides an OE-style solution that supports proper suspension restoration.

This part cross-references AMS Automotive 6272 for the same application.

What It Helps Address

• Sagging rear ride height
• Broken or fatigued factory coil springs
• Uneven rear suspension stance
• Loss of original spring rate and support
• Restoration of factory suspension geometry

Installation Notes and Tips

Verify rear suspension configuration before ordering. This spring is listed for the heavy duty version on standard suspension only for 2007-2013 BMW 328i and 2007-2013 BMW 335i models. Compare the original spring shape, dimensions, and OE part references before installation to confirm the correct application. Professional installation is recommended because coil spring service requires proper suspension compression tools and careful handling.

Quality Assurance

Bilstein B3 OE Replacement springs are manufactured to meet OE dimensions, spring rates, and design requirements for factory-spec suspension restoration. Part number 36-161379 is built as an OE replacement component for consistent fitment and function on the listed BMW rear applications.