AEM Digital Wideband UEGO Gauge Hotchkis and an internal mechanical lock

and an internal mechanical lock within the caliper for a parking brake

* Does not oscillate AFR reading like narrow band sensors

We also offer a set for the S14 motor for the simply sublime E30 M3

This results in excessive engine movement which affects gear selection

100% synthetic

AEM Digital Wideband UEGO Gauge Hotchkis and an internal mechanical lockA wideband UEGO sensor controller accurately monitors Air Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture, which could lead to engine damage. AEM has combined its single channel wideband UEGO controller and gauge display into one unit, uniting unsurpassed AFR accuracy and control with an easy to read interface. AEMs Gauge Type Wideband UEGO Controller features a digital LED display and sweeping LED needle that changes colors