All Products E30 Gauge Water Temp Sensor PreviousE30 Getrag 220 / 250 Transmission Crossmember NextE30 Thermo Fan Switch E30 Gauge Water Temp Sensor E30 Gauge Water Temp Sensor $40.00 This temp sensor is used to send the correct temperature signal to the factory gauge. Add To Cart Facebook0 Twitter You might also like... Coil and Lead Kit for M20 Individual Coil Conversion $445.00 sold out M50 M52 M54 S50 Custom Exhaust Headers $2,500.00 E30 S54 Radiator and Cooling System Kit $1,220.00 E30 Rear Trailing Arm Bush Kit $185.00 Coil Bracket Kit for M20 Rocker Cover $99.00