Suplex 06346 Coil Spring - Rear

Rear Coil Spring for BMW 328i

Suplex 06346 is a rear coil spring for select 2007-2013 BMW 328i models equipped with Factory M-Sports Suspension. Built as a coil spring with constant wire diameter, it is specified with a 321 mm length, 99 mm outer diameter, and 13.5 mm thickness for the rear suspension position.

For BMW 328i rear suspension service, this Suplex spring supports a direct-fit replacement path for the listed factory M-Sports Suspension application. The SUPLEX product line focuses on suspension components built to match vehicle-specific fitment requirements, and part number 06346 is cataloged for the rear axle position only.

Key Features

• Rear coil spring for 2007-2013 BMW 328i
• Fits vehicles with Factory M-Sports Suspension
• Coil spring with constant wire diameter
• Length: 321 mm
• Outer diameter: 99 mm
• Thickness: 13.5 mm
• Weight: 2.55
• Suplex part number 06346

Detailed Description

Suplex 06346 is a rear suspension coil spring engineered for the BMW 328i platform in the 2007-2013 model years. The spring design uses a constant wire diameter, with dimensions listed at 321 mm in length and 99 mm in outer diameter, helping ensure the correct physical profile for the specified rear application. This part number 06346 is listed for vehicles with Factory M-Sports Suspension, making fitment verification important before ordering.

The SUPLEX line is associated with suspension replacement components, and this rear coil spring is cataloged specifically for the BMW 328i rear position. If you are searching for a rear coil spring for 2007-2013 BMW 328i with Factory M-Sports Suspension, Suplex 06346 is the referenced part number for that application.

What This Part Helps Address

• Rear ride height that has dropped from spring fatigue
• Uneven rear stance caused by worn suspension springs
• Noise or harshness from a weakened rear coil spring
• Loss of proper rear suspension support on BMW 328i models
• Replacement needs for Factory M-Sports Suspension rear spring service

Installation Notes and Tips

Confirm the vehicle is a 2007-2013 BMW 328i with Factory M-Sports Suspension before installation. This spring is specified for the rear position only, so match the part to the correct axle location and compare the listed dimensions to the removed component during service. Suspension spring replacement should be performed with proper spring-compression equipment and standard chassis safety procedures.

Quality Assurance

Suplex suspension components are cataloged for application-specific replacement use, and part number 06346 is identified for the listed BMW 328i rear fitment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.