this adapter can integrate an electric radiator fan system into your car
The adapter is machined from aluminum. The OD of the hose splice fittings is 1 5/16" and the threaded portion in the middle is M14x1.5 - which matches the threading for the OEM BMW 80/88* or 91/99* fan switches. You could also use this to integrate whatever other M14 threaded sensor you can dream of.
Made From High Quality - Light-Weight Aluminum
Surface With Anodized Finish To Improve Strength & Durability
Fits 34MM I.D. Hose with M14x1.5 Threaded Water Temperature Sensor.
Racing Style Water Temp Joint Pipe
Professional Installation Highly Recommended! No instructions included!