Air Suspension Compressor for BMW 5 Series E61 Touring (2003-2010)

The Ultimate Fix for the Classic E61 Sagging Rear End

The BMW E61 5-Series Touring is renowned for its versatility and driving pleasure, but its standard rear self-leveling air suspension is a well-known weak point. The system's compressor is responsible for maintaining the correct ride height, but it inevitably wears out, leading to the infamous "E61 sag" and persistent dashboard warnings.

This Biste Air Suspension Compressor is engineered to be a direct, high-quality replacement for the original Wabco unit. It provides the robust and reliable air supply needed to lift your vehicle's rear end back to its factory stance, eliminating error messages and restoring the comfortable, stable ride you expect from a BMW.

MANDATORY INSTALLATION PROTOCOL - YOUR WARRANTY DEPENDS ON IT:A failed compressor is often the result of another issue in the system. To ensure a long-lasting repair and protect your new part, these steps are ESSENTIAL:

1. INSPECT FOR AIR LEAKS: Before installing the new compressor, you MUST check the system for leaks, especially from the old, porous air springs (air bags). An undetected leak will force the new compressor to run constantly, causing it to burn out quickly. This type of failure is not covered by the warranty.

2. ALWAYS REPLACE THE RELAY: The compressor's power relay is a critical component that wears out. You MUST install a new relay along with the new compressor to prevent electrical damage and premature failure.

Key Features & Benefits:

• Solves the #1 E61 Problem: The definitive cure for a sagging rear suspension and the "Self-leveling susp. inactive!" warning.

• Direct-Fit Replacement: Designed for a perfect, bolt-on installation with no modifications needed.

• Restores Factory Function: Brings back your vehicle's correct ride height, load-leveling capability, and ride comfort.

• Enhanced Safety: A level vehicle ensures proper headlight aim and predictable handling.

• Smart Economic Choice: Get OEM-level performance and reliability as a cost-effective alternative to expensive dealership parts.

Product Specifications

Vehicle Compatibility

This compressor is a direct fit for the following models:

• BMW 5 Series Touring (E61 / E61N LCI) | 2003-2010

• CRITICAL NOTE: Fits E61 Touring / Wagon models ONLY. It does NOT fit the E60 Sedan.

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Including models such as: 520d, 523i, 525i, 525d, 530i, 530d, 535d, 545i, 550i

Replaces OEM Part Numbers

This unit is a direct replacement for all previous versions of the compressor for the E61 platform, including:

• 37106793778 (Latest)

• 37206792855

• 37106789937

• 37106777827

• 37106765094

If you are unsure about fitment for your specific vehicle, please contact us with your VIN before purchasing.