Dorman 527-081 Lateral Arm - Rear Upper Forward

Dorman 527-081 Lateral Arm for BMW Rear Suspension

Dorman 527-081 is a steel lateral arm built as a standard replacement for the original equipment part on select BMW rear suspension applications. It is precision-engineered and tested for dependable fit and function on the specified vehicles, including BMW X3 and BMW X4 models.

Key Features

• Steel construction for suspension strength and durability
• Black finish with black bushings
• Rubber and steel bushing materials
• End 1 and End 2 both use bushing-style mounting
• Standard replacement, non-adjustable design
• Compatible with rear upper forward suspension positions
• Part number 527-081 for direct reference

Detailed Description

This Dorman lateral arm is designed for rear upper forward suspension service on 2011-2017 BMW X3 and 2015-2018 BMW X4 applications. The casting/forged-style arm uses bushings at both ends and a 14.1 mm mounting hole diameter, helping restore proper suspension geometry when the original arm is worn or damaged. Part number 527-081 is also a direct reference for buyers searching for a BMW X3 rear upper forward lateral arm or BMW X4 rear suspension lateral arm replacement.

This part cross-references BMW OE number 33306786991 for the same application.

What It Helps Fix

• Rear suspension looseness or instability
• Clunking or knocking from worn bushings
• Uneven tire wear caused by suspension play
• Incorrect rear wheel alignment from a damaged arm
• Excess movement in the rear upper forward suspension link

Installation Notes and Tips

Install this arm in the rear upper forward position only on the listed BMW X3 and BMW X4 applications. Mounting hardware is not included, so reuse or source the correct fasteners as needed. Because this is a non-adjustable replacement arm, verify suspension condition and alignment after installation.

Quality Assurance

Dorman manufactures this lateral arm as a standard replacement component and subjects it to precision engineering and testing to support reliable OE-style service on the specified BMW applications.