BMW 7 Series E65 E66 5 Series E39 Air Suspension Solenoid Valve Block 37226787616

Direct-fit electronic air suspension solenoid valve block engineered specifically for BMW 7-Series E65/E66 chassis (745i, 750i, 760i, Li) and 5-Series E39 Touring wagon models equipped with rear pneumatic self-leveling suspension. Replaces failed factory unit 37226787616 to resolve common rear axle leveling issues, including unlevel left/right ride height, slow compressor pressure build-up, and instrument cluster air suspension inactive error warnings.

Technical Function & Solenoid Control

• Dual-Circuit Pneumatic Regulation: Independent left and right solenoid channels meter pressurized air directly into the rear air springs, maintaining strict chassis levelness regardless of passenger or trunk payload.
• High-Durability Electromagnetic Coils: Copper-wound solenoid coils deliver rapid cycle response times to prevent backpressure spikes on the suspension compressor motor.
• Corrosion-Resistant Valve Body: Precision-milled manifold housing with internal micro-honed bores ensures zero valve stiction and prevents cross-bleeding between circuits.
• Plug-and-Play Integration: Direct OEM-standard pin terminal socket connects seamlessly to the factory chassis wiring harness without cutting, splicing, or adaptation modules.

Vehicle Fitment

Direct replacement for BMW models with factory self-leveling rear air suspension:

• BMW 7-Series E65 / E66 / E67 (730i, 735i, 740i, 745i, 750i, 760i, Li & Diesels, 2001–2008)
• BMW 5-Series Touring E39 (520i, 525i, 528i, 530i, 540i Wagon, 1997–2004)

Specifications & Reference Part Numbers

• Part Type: Air Suspension Solenoid Valve Block Distribution Unit
• Primary Part Number: 37226787616
• Interchangeable Numbers: 37221092349, 37226778773, 4154033010, 4154031000, 4722525610
• System Voltage: 12V DC
• Installation Position: Adjacent to Compressor Bracket Assembly
• Warranty: 12 Months Warranty Coverage