WAI 81572 Window Regulator - Rear Left

BMW Rear Left Window Regulator

This WAI window regulator is built for BMW applications that need a rear left power window regulator replacement. Part number 81572 matches the listed fitment for select 1999-2003 BMW models and supports a direct repair for a non-working or slow-moving window mechanism.

Key Features

• Window regulator for rear left power window service
• Fits select BMW 5 Series and M5 applications
• Application-specific design for the listed model years
• WAI part number 81572 for easy identification

Detailed Description

Use this window regulator when the original rear left window mechanism no longer raises or lowers the glass correctly. Compatible With 1999-2000 BMW 528i, rear left; 1999-2003 BMW 540i, rear left; 2000-2003 BMW M5, rear left; 2001-2003 BMW 525i, rear left; and 2001-2003 BMW 530i, rear left. The fitment covers BMW 5 Series sedan applications and the E39-era M5 listed in the catalog data. Part number 81572 should be matched to the vehicle’s existing regulator application before ordering.

Common Repair Uses

• Restores window movement when the regulator is worn or broken
• Addresses a window that binds, slips, or stops partway
• Replaces a failed power window mechanism in the rear door
• Helps correct noisy or inconsistent glass travel

Installation Notes

Verify the vehicle’s year, model, and rear left application against the catalog fitment before installation. Compare the existing regulator layout and connector style to confirm the correct replacement. Professional installation is recommended for door-panel service and window alignment checks.

Quality Assurance

WAI supplies automotive replacement parts for service applications, and part number 81572 is cataloged for the listed BMW fitments.