KYB 3448017 Suspension Shock Absorber - Rear

Reliable Suspension Shock Absorber for BMW Models

The KYB Excel-G Suspension Shock Absorber 3448017 is engineered to restore your BMW's original ride quality and handling. Designed specifically for various BMW 2 Series, 3 Series, and 4 Series models, this shock absorber offers precise fitment and dependable performance.

• Compressed length: 14.96 inches
• Extended length: 21.25 inches
• Stroke length: 6.29 inches
• Lower mount type: E2 (13.2x63.9 mm)
• Upper mount type: S1 (10 mm)
• R-stop included for controlled rebound
• No dust cover or internal rebound spring included

About the KYB Excel-G Product Line

The Excel-G line by KYB is designed to provide a balance between comfort and control by restoring the original equipment ride characteristics. This shock absorber line is ideal for drivers looking to replace worn shocks with a reliable, direct-fit component that maintains factory handling and stability. The 3448017 part number is part of this line, ensuring compatibility and performance for your BMW 228i, 320i, 328i, 330i, 335i, 340i, 428i, 430i, 435i, and 440i models, including xDrive variants.

Technical Specifications and Features

The KYB Excel-G 3448017 shock absorber features a compressed length of 14.96 inches and an extended length of 21.25 inches, providing a stroke length of 6.29 inches. The lower mount uses an E2 type with dimensions of 13.2 by 63.9 mm, while the upper mount is an S1 type with a 10 mm diameter. This shock absorber includes an R-stop to help control rebound but does not include a dust cover or internal rebound spring, which is typical for this product line.

Common Applications and Problem Solving

• Restores original ride comfort and handling on BMW 2 Series, 3 Series, and 4 Series vehicles
• Addresses excessive bouncing or poor shock absorption
• Reduces vehicle body roll and improves stability during cornering
• Eliminates uneven tire wear caused by worn shocks
• Improves braking performance by maintaining tire contact with the road

Installation Notes and Tips

When installing the KYB Excel-G 3448017 shock absorber, ensure the correct orientation of the E2 lower mount and S1 upper mount for proper fitment. This part is compatible with BMW models including the 228i, 230i, 320i, 328i, 330i, 335i, 340i, 428i, 430i, 435i, and 440i, including xDrive versions. It is recommended to replace shocks in pairs to maintain balanced suspension performance. No dust cover is included, so inspect the mounting area for debris or damage before installation.

Quality Assurance and Warranty

KYB Excel-G shock absorbers are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 3448017 are not provided here, KYB typically offers a limited warranty against defects in materials and workmanship. Refer to KYB’s official documentation for complete warranty information.