TOPair Air Suspension Struts w/ DIGI Bluetooth/Remote Management 99 318ti, 323is, 328is / 2000 323i, 323Ci, 328Ci / 99-2000 328i / 99-05 M3 / 01-06 325Ci, 330Ci / 01-05 325i, 330i

TOPair Struts are application specific engineered and manufactured with proven materials, offering exceptional value.

On-the-fly ride height adjustment for a low stance or raised to avoid hazards, dips or adapt to increased weight.

Allows your ride to remain functional while not sacrificing ride quality.

Application specific tuned dampers are electroplated for maximum corrosion resistance.

Adjustable lower mounts allow for ride height adjustment independent of spring pressure allowing for fine tuning of pressure/ride height.

Direct bolt on fitment.

DIGI Air Management system provides a complete kit with everything needed to complete the install and operate your TOPair Air Struts.

Control front and rear independently via dash mountable electronic controller, Bluetooth (free iOS and Android app) or RF keychain remote.

Digital gauge allows you to monitor front, rear and tank air pressure along with vehicle voltage.

LCD display allows user to customize background and display with six color options for each.

Programable high/low pressure alerts notify of system issues.

Includes high performance VIAIR 444C compressor in chrome finish, ¼” air line, all necessary push-to-connect fittings, power wire, pressure switch and 4 gallon tank.

Includes Camber plates, adjustable lower mounts (Double bellow air springs)