Autometer Universal GPS Speedometer Interface Module 2001-bmw-z3-esi9963397 The result is increased power

The result is increased power and improved throttle response

With a limited lifetime warranty for air springs

Explosive acceleration

and adventure in high gear

Standard spring (installed) supports 30-75 PSI base fuel pressure

Autometer Universal GPS Speedometer Interface Module 2001-bmw-z3-esi9963397 The result is increased powerTickets are no fun. Calibrating a speedometer isnt a great deal of fun either. AutoMeter's GPS Speedometer Interface is the no fuss solution to complete your speedometer installation. Ideal for offroad applications with large wheel and tire combinations, racing gearboxes, and applications where packaging considerations prevent conventional speed sensor or cable installations. Installation Instructions