AirRex V1 Air Ride Suspension Kit for BMW 5 Series xDrive G31/G38 (2017+) | Bolt-On Adjustable Struts, Pressure-Based Management, Viair 444C, Wireless App Controller

Premium Pneumatic Suspension Conversion for BMW 5 Series xDrive G31 G38 2017 onward

Transform your AWD Five Series with a complete air bag strut and management package that delivers show-car lows, daily comfort and confidence on British roads. This direct-fit system replaces springs and shocks with height-adjustable air struts and a pressure-reference control unit, giving smooth ride quality, reliable stance control and an OEM-style install you can trust.

Why this kit

• Direct fit shock and spring replacement for xDrive G31 Touring and G38 saloon from 2017 onward
• True bolt-on hardware for a clean, reversible install at factory mounting points
• Comfortable damping with real handling control thanks to 12-click adjustable monotube dampers
• Pressure-based management for consistent, repeatable ride height with simple, intuitive operation
• Wireless control via iPhone and Android app plus a handheld touchscreen
• One-touch raise and dump functions and auto lift on start-up for easy drive-away clearance
• Tested across extreme conditions from -40 C to +60 C for proven durability

Strut and damper package

The included front and rear air struts are engineered for the BMW platform and validated for load and pressure. Each assembly is designed to mount like factory with serviceable components and tuning adjustments for comfort or spirited road use.

• Complete front and rear assemblies tailored to the BMW xDrive chassis
• 12-step damping adjustable monotube shocks front and rear
• Height adjustable bodies to fine tune arch-to-tyre fitment
• Camber adjustable top mounts where the chassis allows
• Application specific bellowed air springs, including double and triple bellow options for higher load capacity
• Slim double-bellow bags used on tight-clearance applications rather than sleeve type

Management and hardware

The V1 pressure-reference system monitors each corner by air pressure for consistent performance, pairing seamlessly with the struts for dependable everyday use.

• Wireless touchscreen controller with WiFi connectivity
• iOS and Android mobile app control
• One-touch full raise and full lower functions
• Rise on Start for automatic lift when you fire up the car
• VIAIR 444C black air compressor for fast, reliable tank fills
• 3-gallon air reservoir with moisture management

What you receive

• Front and rear direct-fit air struts with adjustable dampers
• Wireless touchscreen controller
• WiFi enabled control module
• Single VIAIR 444C black compressor
• 3 gallon air tank with water removal system
• ECU and valve manifold
• Check valve
• Power and earth cables
• 1/4 inch nylon air line
• Fuses
• USB charge cable
• AirRex key ring

Real-world results

We run this setup on our own builds and our customers consistently report quieter operation, better ride quality than harsh lowering springs, and the stance flexibility needed for larger wheels and daily commutes. It is a proven alternative to fixed height coilovers, giving you low drive heights for shows and instant clearance for speed bumps and car parks.

Professional fitting

Installation by specialists is recommended. MJ Modifications offers in-house fitting in Warwickshire. For a tailored quote, email info@mjmodifications.co.uk.

Compatibility

BMW 5 Series xDrive G31 and G38, 2017 onward.

Search-friendly terms

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