Unity 11378 Suspension Strut and Coil Spring Assembly - Front

Suspension Strut and Coil Spring Assembly

Restore front suspension performance with this Unity suspension strut and coil spring assembly, part number 11378. It is built to OEM specifications and applies to select BMW 3 Series and 4 Series applications with front fitment.

Key Features

• OE-style suspension strut and coil spring assembly for direct replacement use.
• Built to OEM specifications for consistent suspension geometry and ride control.
• Front application coverage for select BMW 320i, 328i, 335i, 340i, 428i, 435i, and ActiveHybrid 3 models.
• Supports vehicles with fitment restrictions such as excluded adaptive suspension or vehicle dynamic control configurations.

Detailed Fitment and Function

Unity part number 11378 is a front suspension strut and coil spring assembly for select BMW applications, including 2012-2016 BMW 328i, 2012-2015 BMW 335i, 2013-2015 BMW ActiveHybrid 3, 2014-2015 BMW 320i, 2014-2015 BMW 428i, 2014-2015 BMW 435i, and 2016-2018 BMW 340i. It also covers 2012-2013 BMW 320i Canada Market applications. This assembly is intended for buyers replacing a worn front strut and spring unit on BMW 3 Series and 4 Series platforms while maintaining OE-style fit and suspension response.

Unity Automotive brings more than 40 years of aftermarket manufacturing experience and focuses on suspension products built to OEM specifications. Part number 11378 reflects that approach with a complete assembly format that simplifies front suspension service on the listed BMW models.

Common Issues This Part Addresses

• Excessive front-end bounce or reduced damping control.
• Uneven ride height caused by a fatigued coil spring assembly.
• Noisy or unstable suspension operation from a worn strut unit.
• Loss of ride quality and steering response in the front suspension.

Installation Notes and Quality Assurance

Verify chassis, market, and suspension equipment before ordering, since several applications exclude adaptive suspension, vehicle dynamic control, or specific body styles. Confirm the front position and match the vehicle notes exactly to the catalog listing before installation.

Unity states that its suspension systems are built to OEM specifications and backed by a customer satisfaction guarantee. Part number 11378 is supported by the brand's long-standing focus on aftermarket suspension manufacturing.