Monroe 5677 Shock Absorber - Rear

Monroe OESpectrum Shock Absorber for BMW Z4

The Monroe OESpectrum Passenger Car Shock Absorber part number 5677 is engineered specifically for the BMW Z4. Designed to restore original handling and ride quality, this suspension shock absorber offers precise fitment and reliable performance for your vehicle.

• Compatible with BMW Z4 models
• Compressed length: 15.16 inches
• Extended length: 23.43 inches
• Travel length: 8.27 inches
• Lower mounting type: Loop bushing & sleeve mount (12mm sleeve ID x 1.9/16" sleeve OAL)
• Upper mounting type: Stem mount with M10 thread pitch
• Lower mounting code: Ls27
• Upper mounting code: S1
• Includes parts pack BE17110294

About the OESpectrum Passenger Car Shock Absorber Line

The Monroe OESpectrum Passenger Car Shock Absorber line is designed to provide a balance between comfort and control by using advanced twin-tube technology. This product line focuses on delivering consistent damping performance and improved ride quality, closely matching the original equipment specifications. The OESpectrum shock absorbers are engineered to reduce noise and vibration, making them suitable for passenger cars like the BMW Z4 that require precise suspension tuning.

Product Details and Specifications

This Monroe shock absorber features a compressed length of 15.16 inches and an extended length of 23.43 inches, with a travel length of 8.27 inches to accommodate the suspension movement of the BMW Z4. The lower mounting uses a loop bushing and sleeve mount with a 12mm sleeve inner diameter and a 1.9/16 inch sleeve overall length, identified by mounting code Ls27. The upper mounting is a stem mount with an M10 thread pitch, coded S1. This shock absorber does not include a dust shield, compressed or extended bumper stops, or an extended hydraulic lockout, which aligns with the original equipment design for this vehicle.

Common Applications and Issues Addressed

• Restores original ride comfort and handling for BMW Z4
• Reduces excessive body roll and sway during cornering
• Eliminates harshness and vibration from worn shocks
• Improves vehicle stability and braking response
• Addresses uneven tire wear caused by suspension wear

Installation Notes and Tips

When installing the Monroe OESpectrum shock absorber part number 5677 on a BMW Z4, ensure the correct orientation of the stem mount and loop bushing lower mount. Verify that the mounting codes S1 (upper) and Ls27 (lower) match the vehicle’s suspension points. Use the included parts pack BE17110294 for proper assembly. It is recommended to inspect related suspension components during installation and replace any worn bushings or mounts to maintain optimal performance.

Quality Assurance and Warranty

Monroe manufactures the OESpectrum Passenger Car Shock Absorber to meet or exceed original equipment standards. This part undergoes rigorous testing to ensure durability and consistent damping performance. While specific warranty details may vary, Monroe typically offers a limited warranty covering defects in materials and workmanship for this suspension shock absorber.